Update build-tools to ab/3652165
am: ff39700ae0

Change-Id: I81848717c3e9c525fa1f43af0bae521e14b0f9eb
tree: 9da592b16febdb3ab607b4f4ad216187e7317013
  1. darwin-x86/
  2. linux-x86/
  3. build-prebuilts.sh
  4. manifest.xml