Merge tag android-5.1.0_r1 into AOSP_5.1_MERGE

Change-Id: Ib89002e8fd09c63f88db060e6e7604094de2d557
tree: 297baf9d34529455d643ffe6005bf6b59cb9608b
  1. base/
  2. core/
  3. utils/
  4. .gitignore
  5. Android.mk
  6. AUTHORS
  7. ebuild.mk
  8. README