Merge tag android-5.1.0_r1 into AOSP_5.1_MERGE

Change-Id: I1c54b3e34556758a4f185153086e9a821efb4a0c
tree: 73009fecdf31332f629754c409088350628c9a33
  1. src/
  2. Android.mk
  3. CleanSpec.mk
  4. MODULE_LICENSE_APACHE2
  5. NOTICE