[Android] Add XWalkManifestReader.java to xwalk_core_library project.
[Android] Add XWalkManifestReader.java to xwalk_core_library project.

The Java class XWalkManifestReader provides the content of app
manifest. Missing of XWalkManifestReader will lead to error of
core library project, so add it to xwalk_core_library.

This patch also fixes some coding style issues.

XiaosongWei/crosswalk,zliang7/crosswalk,ZhengXinCN/crosswalk,crosswalk-project/crosswalk,axinging/crosswalk,dreamsxin/crosswalk,weiyirong/crosswalk-1,darktears/crosswalk,amaniak/crosswalk,Pluto-tv/crosswalk,qjia7/crosswalk,crosswalk-project/crosswalk,marcuspridham/crosswalk,amaniak/crosswalk,rakuco/crosswalk,siovene/crosswalk,Bysmyyr/crosswalk,jpike88/crosswalk,jondwillis/crosswalk,fujunwei/crosswalk,stonegithubs/crosswalk,wuhengzhi/crosswalk,dreamsxin/crosswalk,crosswalk-project/crosswalk-efl,alex-zhang/crosswalk,wuhengzhi/crosswalk,zeropool/crosswalk,minggangw/crosswalk,zliang7/crosswalk,wuhengzhi/crosswalk,huningxin/crosswalk,hgl888/crosswalk-efl,shaochangbin/crosswalk,DonnaWuDongxia/crosswalk,crosswalk-project/crosswalk,tedshroyer/crosswalk,Bysmyyr/crosswalk,zliang7/crosswalk,wuhengzhi/crosswalk,minggangw/crosswalk,XiaosongWei/crosswalk,minggangw/crosswalk,qjia7/crosswalk,myroot/crosswalk,zliang7/crosswalk,rakuco/crosswalk,tomatell/crosswalk,chinakids/crosswalk,darktears/crosswalk,marcuspridham/crosswalk,hgl888/crosswalk,heke123/crosswalk,weiyirong/crosswalk-1,crosswalk-project/crosswalk-efl,fujunwei/crosswalk,huningxin/crosswalk,wuhengzhi/crosswalk,bestwpw/crosswalk,huningxin/crosswalk,alex-zhang/crosswalk,rakuco/crosswalk,heke123/crosswalk,darktears/crosswalk,tedshroyer/crosswalk,Pluto-tv/crosswalk,alex-zhang/crosswalk,leonhsl/crosswalk,stonegithubs/crosswalk,myroot/crosswalk,jondwillis/crosswalk,PeterWangIntel/crosswalk,darktears/crosswalk,siovene/crosswalk,xzhan96/crosswalk,alex-zhang/crosswalk,shaochangbin/crosswalk,siovene/crosswalk,zliang7/crosswalk,RafuCater/crosswalk,darktears/crosswalk,axinging/crosswalk,DonnaWuDongxia/crosswalk,jondong/crosswalk,Pluto-tv/crosswalk,xzhan96/crosswalk,tomatell/crosswalk,myroot/crosswalk,heke123/crosswalk,zeropool/crosswalk,crosswalk-project/crosswalk-efl,Bysmyyr/crosswalk,minggangw/crosswalk,baleboy/crosswalk,crosswalk-project/crosswalk-efl,chinakids/crosswalk,chinakids/crosswalk,darktears/crosswalk,XiaosongWei/crosswalk,jondong/crosswalk,fujunwei/crosswalk,baleboy/crosswalk,zliang7/crosswalk,hgl888/crosswalk,marcuspridham/crosswalk,hgl888/crosswalk-efl,lincsoon/crosswalk,alex-zhang/crosswalk,xzhan96/crosswalk,lincsoon/crosswalk,stonegithubs/crosswalk,alex-zhang/crosswalk,heke123/crosswalk,hgl888/crosswalk,jondong/crosswalk,xzhan96/crosswalk,RafuCater/crosswalk,xzhan96/crosswalk,minggangw/crosswalk,myroot/crosswalk,seanlong/crosswalk,zeropool/crosswalk,xzhan96/crosswalk,marcuspridham/crosswalk,tedshroyer/crosswalk,Pluto-tv/crosswalk,Bysmyyr/crosswalk,zeropool/crosswalk,amaniak/crosswalk,huningxin/crosswalk,chuan9/crosswalk,rakuco/crosswalk,weiyirong/crosswalk-1,baleboy/crosswalk,Bysmyyr/crosswalk,myroot/crosswalk,pk-sam/crosswalk,amaniak/crosswalk,zliang7/crosswalk,amaniak/crosswalk,seanlong/crosswalk,ZhengXinCN/crosswalk,hgl888/crosswalk-efl,bestwpw/crosswalk,pk-sam/crosswalk,baleboy/crosswalk,PeterWangIntel/crosswalk,pk-sam/crosswalk,xzhan96/crosswalk,hgl888/crosswalk,huningxin/crosswalk,dreamsxin/crosswalk,chuan9/crosswalk,pk-sam/crosswalk,mrunalk/crosswalk,bestwpw/crosswalk,TheDirtyCalvinist/spacewalk,seanlong/crosswalk,hgl888/crosswalk,minggangw/crosswalk,tedshroyer/crosswalk,crosswalk-project/crosswalk-efl,minggangw/crosswalk,TheDirtyCalvinist/spacewalk,heke123/crosswalk,XiaosongWei/crosswalk,TheDirtyCalvinist/spacewalk,alex-zhang/crosswalk,hgl888/crosswalk,crosswalk-project/crosswalk,fujunwei/crosswalk,tomatell/crosswalk,rakuco/crosswalk,jpike88/crosswalk,baleboy/crosswalk,hgl888/crosswalk-efl,leonhsl/crosswalk,hgl888/crosswalk-efl,weiyirong/crosswalk-1,lincsoon/crosswalk,axinging/crosswalk,darktears/crosswalk,lincsoon/crosswalk,leonhsl/crosswalk,jondwillis/crosswalk,lincsoon/crosswalk,TheDirtyCalvinist/spacewalk,fujunwei/crosswalk,tedshroyer/crosswalk,bestwpw/crosswalk,crosswalk-project/crosswalk,jpike88/crosswalk,crosswalk-project/crosswalk-efl,amaniak/crosswalk,wuhengzhi/crosswalk,RafuCater/crosswalk,hgl888/crosswalk,RafuCater/crosswalk,crosswalk-project/crosswalk,dreamsxin/crosswalk,qjia7/crosswalk,hgl888/crosswalk-efl,RafuCater/crosswalk,fujunwei/crosswalk,tomatell/crosswalk,siovene/crosswalk,pk-sam/crosswalk,zeropool/crosswalk,shaochangbin/crosswalk,baleboy/crosswalk,axinging/crosswalk,xzhan96/crosswalk,darktears/crosswalk,siovene/crosswalk,jondwillis/crosswalk,crosswalk-project/crosswalk,DonnaWuDongxia/crosswalk,seanlong/crosswalk,weiyirong/crosswalk-1,rakuco/crosswalk,jondong/crosswalk,RafuCater/crosswalk,ZhengXinCN/crosswalk,seanlong/crosswalk,Bysmyyr/crosswalk,leonhsl/crosswalk,dreamsxin/crosswalk,stonegithubs/crosswalk,stonegithubs/crosswalk,siovene/crosswalk,bestwpw/crosswalk,chuan9/crosswalk,PeterWangIntel/crosswalk,RafuCater/crosswalk,crosswalk-project/crosswalk,tomatell/crosswalk,chuan9/crosswalk,leonhsl/crosswalk,weiyirong/crosswalk-1,jondwillis/crosswalk,pk-sam/crosswalk,axinging/crosswalk,hgl888/crosswalk,amaniak/crosswalk,heke123/crosswalk,mrunalk/crosswalk,DonnaWuDongxia/crosswalk,PeterWangIntel/crosswalk,jondong/crosswalk,Bysmyyr/crosswalk,ZhengXinCN/crosswalk,jondwillis/crosswalk,crosswalk-project/crosswalk-efl,DonnaWuDongxia/crosswalk,chuan9/crosswalk,chinakids/crosswalk,qjia7/crosswalk,qjia7/crosswalk,shaochangbin/crosswalk,mrunalk/crosswalk,zeropool/crosswalk,jpike88/crosswalk,bestwpw/crosswalk,XiaosongWei/crosswalk,lincsoon/crosswalk,Pluto-tv/crosswalk,weiyirong/crosswalk-1,tedshroyer/crosswalk,heke123/crosswalk,fujunwei/crosswalk,marcuspridham/crosswalk,XiaosongWei/crosswalk,PeterWangIntel/crosswalk,Bysmyyr/crosswalk,tedshroyer/crosswalk,chuan9/crosswalk,marcuspridham/crosswalk,stonegithubs/crosswalk,stonegithubs/crosswalk,marcuspridham/crosswalk,myroot/crosswalk,tomatell/crosswalk,mrunalk/crosswalk,shaochangbin/crosswalk,TheDirtyCalvinist/spacewalk,TheDirtyCalvinist/spacewalk,dreamsxin/crosswalk,heke123/crosswalk,seanlong/crosswalk,jondong/crosswalk,minggangw/crosswalk,jondong/crosswalk,axinging/crosswalk,baleboy/crosswalk,Pluto-tv/crosswalk,siovene/crosswalk,XiaosongWei/crosswalk,jondong/crosswalk,ZhengXinCN/crosswalk,shaochangbin/crosswalk,Pluto-tv/crosswalk,DonnaWuDongxia/crosswalk,leonhsl/crosswalk,hgl888/crosswalk-efl,PeterWangIntel/crosswalk,jpike88/crosswalk,zeropool/crosswalk,rakuco/crosswalk,jpike88/crosswalk,baleboy/crosswalk,DonnaWuDongxia/crosswalk,pk-sam/crosswalk,jpike88/crosswalk,leonhsl/crosswalk,dreamsxin/crosswalk,zliang7/crosswalk,lincsoon/crosswalk,marcuspridham/crosswalk,mrunalk/crosswalk,chinakids/crosswalk,mrunalk/crosswalk,lincsoon/crosswalk,rakuco/crosswalk,qjia7/crosswalk,tomatell/crosswalk,ZhengXinCN/crosswalk,huningxin/crosswalk,ZhengXinCN/crosswalk,PeterWangIntel/crosswalk,chuan9/crosswalk,jondwillis/crosswalk,axinging/crosswalk,bestwpw/crosswalk,chinakids/crosswalk