Update build-tools to ab/4535832 am: 35057ded86
am: e344a07d8e

Change-Id: I282f45f6d43e29d3d8d3428dc0c1e2e25856bee0
tree: fa86082d87af7b5d198491771afca894da6e02fb
  1. common/
  2. darwin-x86/
  3. linux-x86/
  4. build-prebuilts.sh
  5. manifest.xml
  6. OWNERS