Merge tag android-5.1.0_r1 into AOSP_5.1_MERGE

Change-Id: Ib940371ddeca0530ed8e279536cec5eb3e9ceed9
tree: f1b4706e00f669ae01f7eb7c3b91e2e3136fca44
  1. bcmdhd/
  2. .gitignore
  3. CleanSpec.mk