Should make android-v4 dependency optional since not every dependent project needs it
Should make android-v4 dependency optional since not every dependent project needs it

git-svn-id: b10e9e05a96f28f96949e4aa4212c55f640c8f96@2530 59b500cc-1b3d-0410-9834-0bbf25fbcc57

WB-ZZ-TEAM/zxing,mayfourth/zxing,sitexa/zxing,praveen062/zxing,rustemferreira/zxing-projectx,lijian17/zxing,ChanJLee/zxing,bestwpw/zxing,micwallace/webscanner,kailIII/zxing,zxing/zxing,angrilove/zxing,zootsuitbrian/zxing,rustemferreira/zxing-projectx,zilaiyedaren/zxing,eight-pack-abdominals/ZXing,zonamovil/zxing,ChristingKim/zxing,GeekHades/zxing,juoni/zxing,catalindavid/zxing,ale13jo/zxing,sysujzh/zxing,1yvT0s/zxing,wangjun/zxing,whycode/zxing,andyao/zxing,cncomer/zxing,layeka/zxing,Fedhaier/zxing,zxing/zxing,reidwooten99/zxing,zonamovil/zxing,liboLiao/zxing,ForeverLucky/zxing,freakynit/zxing,zootsuitbrian/zxing,mecury/zxing,zjcscut/zxing,peterdocter/zxing,ptrnov/zxing,krishnanMurali/zxing,huangsongyan/zxing,YLBFDEV/zxing,andyshao/zxing,zootsuitbrian/zxing,ren545457803/zxing,cncomer/zxing,bittorrent/zxing,irfanah/zxing,qingsong-xu/zxing,andyshao/zxing,finch0219/zxing,wangxd1213/zxing,keqingyuan/zxing,projectocolibri/zxing,micwallace/webscanner,peterdocter/zxing,Akylas/zxing,loaf/zxing,ptrnov/zxing,Kabele/zxing,peterdocter/zxing,daverix/zxing,easycold/zxing,befairyliu/zxing,wirthandrel/zxing,cnbin/zxing,slayerlp/zxing,praveen062/zxing,fhchina/zxing,wangdoubleyan/zxing,eddyb/zxing,huopochuan/zxing,Akylas/zxing,micwallace/webscanner,qianchenglenger/zxing,menglifei/zxing,ctoliver/zxing,lijian17/zxing,Kabele/zxing,hiagodotme/zxing,1yvT0s/zxing,wangjun/zxing,danielZhang0601/zxing,YuYongzhi/zxing,irfanah/zxing,geeklain/zxing,ZhernakovMikhail/zxing,ren545457803/zxing,t123yh/zxing,graug/zxing,FloatingGuy/zxing,saif-hmk/zxing,ctoliver/zxing,peterdocter/zxing,ikenneth/zxing,zootsuitbrian/zxing,Akylas/zxing,ssakitha/QR-Code-Reader,catalindavid/zxing,huihui4045/zxing,DavidLDawes/zxing,OnecloudVideo/zxing,zilaiyedaren/zxing,YuYongzhi/zxing,ssakitha/sakisolutions,menglifei/zxing,reidwooten99/zxing,917386389/zxing,Matrix44/zxing,yuanhuihui/zxing,MonkeyZZZZ/Zxing,liuchaoya/zxing,zootsuitbrian/zxing,wangxd1213/zxing,Kevinsu917/zxing,finch0219/zxing,projectocolibri/zxing,ssakitha/QR-Code-Reader,0111001101111010/zxing,meixililu/zxing,DONIKAN/zxing,Fedhaier/zxing,east119/zxing,zzhui1988/zxing,bestwpw/zxing,Solvoj/zxing,ForeverLucky/zxing,yuanhuihui/zxing,sitexa/zxing,TestSmirk/zxing,1shawn/zxing,joni1408/zxing,nickperez1285/zxing,easycold/zxing,eddyb/zxing,wanjingyan001/zxing,krishnanMurali/zxing,Matrix44/zxing,l-dobrev/zxing,tanelihuuskonen/zxing,shwethamallya89/zxing,todotobe1/zxing,Yi-Kun/zxing,JerryChin/zxing,GeorgeMe/zxing,zzhui1988/zxing,lvbaosong/zxing,Akylas/zxing,tanelihuuskonen/zxing,TestSmirk/zxing,mayfourth/zxing,befairyliu/zxing,BraveAction/zxing,andyao/zxing,joni1408/zxing,tks-dp/zxing,shwethamallya89/zxing,shixingxing/zxing,JasOXIII/zxing,hiagodotme/zxing,Akylas/zxing,daverix/zxing,danielZhang0601/zxing,kailIII/zxing,todotobe1/zxing,east119/zxing,Peter32/zxing,peterdocter/zxing,BraveAction/zxing,kyosho81/zxing,RatanPaul/zxing,ouyangkongtong/zxing,juoni/zxing,tks-dp/zxing,DavidLDawes/zxing,Luise-li/zxing,Solvoj/zxing,MonkeyZZZZ/Zxing,huopochuan/zxing,roadrunner1987/zxing,zjcscut/zxing,roadrunner1987/zxing,SriramRamesh/zxing,1shawn/zxing,qingsong-xu/zxing,Kevinsu917/zxing,huihui4045/zxing,geeklain/zxing,0111001101111010/zxing,kyosho81/zxing,shixingxing/zxing,irwinai/zxing,peterdocter/zxing,huangzl233/zxing,manl1100/zxing,WB-ZZ-TEAM/zxing,JerryChin/zxing,manl1100/zxing,allenmo/zxing,ale13jo/zxing,freakynit/zxing,mig1098/zxing,GeorgeMe/zxing,Peter32/zxing,saif-hmk/zxing,eight-pack-abdominals/ZXing,fhchina/zxing,lvbaosong/zxing,nickperez1285/zxing,jianwoo/zxing,gank0326/zxing,huangzl233/zxing,hgl888/zxing,FloatingGuy/zxing,Luise-li/zxing,mig1098/zxing,irwinai/zxing,HiWong/zxing,ChanJLee/zxing,YongHuiLuo/zxing,Akylas/zxing,sysujzh/zxing,liboLiao/zxing,keqingyuan/zxing,zootsuitbrian/zxing,kharohiy/zxing,kharohiy/zxing,zootsuitbrian/zxing,slayerlp/zxing,917386389/zxing,iris-iriswang/zxing,YongHuiLuo/zxing,cnbin/zxing,ssakitha/sakisolutions,OnecloudVideo/zxing,DONIKAN/zxing,zhangyihao/zxing,allenmo/zxing,daverix/zxing,Matrix44/zxing,graug/zxing,layeka/zxing,RatanPaul/zxing,liuchaoya/zxing,Yi-Kun/zxing,loaf/zxing,10045125/zxing,jianwoo/zxing,peterdocter/zxing,Matrix44/zxing,JasOXIII/zxing,0111001101111010/zxing,qianchenglenger/zxing,daverix/zxing,GeekHades/zxing,sunil1989/zxing,ouyangkongtong/zxing,daverix/zxing,SriramRamesh/zxing,t123yh/zxing,geeklain/zxing,wirthandrel/zxing,huangsongyan/zxing,ZhernakovMikhail/zxing,whycode/zxing,Akylas/zxing,wanjingyan001/zxing,ChristingKim/zxing,meixililu/zxing,sunil1989/zxing,mecury/zxing,YLBFDEV/zxing,angrilove/zxing,hgl888/zxing,l-dobrev/zxing,peterdocter/zxing,erbear/zxing,zhangyihao/zxing,erbear/zxing,bittorrent/zxing,wangdoubleyan/zxing,ikenneth/zxing,roudunyy/zxing,0111001101111010/zxing,iris-iriswang/zxing,HiWong/zxing,roudunyy/zxing