Merge tag android-5.1.0_r1 into AOSP_5.1_MERGE

Change-Id: I697c759741900218cf938eb1f4f57b9f07d373f2
tree: a9a9e57b2afe222cb28d568283a1f7c3aaa12c3e
  1. adt/
  2. notices/
  3. repository/
  4. tools/
  5. update_jars.sh