Add proper elevation to playbackcontrols
Add proper elevation to playbackcontrols

Bug: 19300863
Change-Id: Idcf8dcef4e2d2df671227c4f2a0506f749fd9dfe

davyjoneswang/android-UniversalMusicPlayer,mingyangShang/android-UniversalMusicPlayer,kidaa/android-UniversalMusicPlayer,Ajunboys/android-UniversalMusicPlayer,hkngoc/android-UniversalMusicPlayer,BrainBeats/BrainBeats,chrisanderson79/android-UniversalMusicPlayer,treejames/android-UniversalMusicPlayer,fangqian007/android-UniversalMusicPlayer,AdamRLukaitis/android-UniversalMusicPlayer,VikingDen/android-UniversalMusicPlayer,MilanNz/android-UniversalMusicPlayer,jiyuren/android-UniversalMusicPlayer,eneim/android-UniversalMusicPlayer,Kevin321an/android-UniversalMusicPlayer,jamesmarva/android-UniversalMusicPlayer,yongjiliu/android-UniversalMusicPlayer,thiagoricieri/android-UniversalMusicPlayer,WeRockStar/android-UniversalMusicPlayer,Arisono/android-UniversalMusicPlayer,acidhax/android-UniversalMusicPlayer,kikin81/android-UniversalMusicPlayer,luoxiaoshenghustedu/android-UniversalMusicPlayer,Dibang/android-UniversalMusicPlayer,vorabhai/android-UniversalMusicPlayer,abbeyOla/mycityVibes-Android,allentcm/android-UniversalMusicPlayer,jaambee/android-UniversalMusicPlayer,MaTriXy/android-UniversalMusicPlayer,0359xiaodong/android-UniversalMusicPlayer,khalidkhan433/android-UniversalMusicPlayer,guffyWave/android-UniversalMusicPlayer,ErNaveen/UniversalMusicPlayer,boregan/android-UniversalMusicPlayer,bright-sparks/android-UniversalMusicPlayer,xzpnuist/android-UniversalMusicPlayer,huangxueqiang/android-UniversalMusicPlayer,hyuni/android-UniversalMusicPlayer,KitAway/android-UniversalMusicPlayer,DeathPluto/android-UniversalMusicPlayer,xujinyang/android-UniversalMusicPlayer,lolosssss/android-UniversalMusicPlayer,samdahal/NepaliGeet,xCatG/android-UniversalMusicPlayer,RyanTech/android-UniversalMusicPlayer,djsolar/android-UniversalMusicPlayer,android/uamp,franciscocpg/android-UniversalMusicPlayer,rberidon/android-UniversalMusicPlayer,LeeeYou/android-UniversalMusicPlayer,moon-sky/android-UniversalMusicPlayer,loaf/android-UniversalMusicPlayer,kennycp/android-UniversalMusicPlayer,micrologic/android-UniversalMusicPlayer,StupidGenius/android-UniversalMusicPlayer,omegasoft7/android-UniversalMusicPlayer,codepython/android-UniversalMusicPlayer,architjn/android-UniversalMusicPlayer,bhuvan-ganesan/android-UniversalMusicPlayer,PeoceWang/android-UniversalMusicPlayer,android/uamp,GeorgeMe/UniversalAndroidMusicPlayer,tsdl2013/android-UniversalMusicPlayer,timqian/android-UniversalMusicPlayer,sharpwhisper/android-UniversalMusicPlayer,yuanzougaofei/android-UniversalMusicPlayer,physphil/android-UniversalMusicPlayer,flyou/android-UniversalMusicPlayer,akhilesh0707/UniversalMusicPlayer,kst6220/android-UniversalMusicPlayer,asbadve/android-UniversalMusicPlayer,alblough/CharlieTango,dhruba619/android-UniversalMusicPlayer,AlanCheen/android-UniversalMusicPlayer,epiphany27/android-UniversalMusicPlayer,tchoulihan/android-UniversalMusicPlayer,mynameismaxz/android-UniversalMusicPlayer,jimulabs/android-UniversalMusicPlayer-mirror,tianyutingxy/android-UniversalMusicPlayer,rhlass/android-UniversalMusicPlayer,hejunbinlan/android-UniversalMusicPlayer,jaohoang/android-UniversalMusicPlayer,DanteNguyen1008/android-UniversalMusicPlayer,sangupandi/android-UniversalMusicPlayer,remelpugh/android-UniversalMusicPlayer,cartland/android-UniversalMusicPlayer,qxsound/android-UniversalMusicPlayer,Bob1993/android-UniversalMusicPlayer,mefiac/first,HasanAliKaraca/android-UniversalMusicPlayer,mikeyxkcd/android-UniversalMusicPlayer,ronniemara/android-UniversalMusicPlayer,TheExorcist/android-UniversalMusicPlayer,abbeyOla/mycityVibes-Android,sylsi/android-UniversalMusicPlayer,prince1809/android-UniversalMusicPlayer,SidhanshuUdawat/android-UniversalMusicPlayer,rutaihwa/android-UniversalMusicPlayer,PaoloRotolo/android-UniversalMusicPlayer,sodapop/android-UniversalMusicPlayer