Bug 893602 - hdpi/xhdpi resolution @1.5 assets for Camera app
Merge pull request #11086 from dominickuo/bug-893724

Bug 893724 - Adopt all build flags in Android.mk for all subsequent re-builds, r=ochameau(cherry picked from commit 56c6505d680c79a21a5743b447ef64d32db31206)
Merge pull request #10997 from mpizza/Bug_893602_HD_camera

Bug 893602 - hdpi/xhdpi resolution @1.5 assets for Camera app, r=rex
Bug 891807 - @1.5x assets are required for system app