Merge missed changes from android_ui.lnx.1.2-dev
Music: add fontScale for MusicBrowserActivity
Music: Fix always display scanning USB when enter from playlists widgets.
Music: Fix artists don't display in folder page.
Music: fix crash when requested permission is null
Music: Fix playlist is empty after rotating the screen in music widget.
Music: set playbackService foreground when playing music
Music: Fix My recordings and folder title wrong displayed.
Music: Fix playlist icon displayed abnormally.
Music: Fix crash when share music to email.
Music: Fix shuffle icon display error in nowplaying interface.
Music: fix crash when tap on submenu after rotate
Music: Fix notification always play icon when music pause or play finish.
Music: Fix ANR when multiple click pre and next icon.
Music: Fix onplaying interface display abnormal.
Music: improve the performance of drawer animation.
Music: Fix force close when delete a song.
Music: Fix music app force close in monkey test.
Music: Set the exit function in drawer to CMCC mode
       and delete the myfavorite from CMCC mode.

Change-Id: I62687e1760a8ee902e61632741a1a1932b013c53
33 files changed