Update build-tools to ab/3652165 am: ff39700ae0
am: a62e8486b7

Change-Id: Ic9215c7f6b83e8cbc458a5603b4011a2326925fd
tree: 9da592b16febdb3ab607b4f4ad216187e7317013
  1. darwin-x86/
  2. linux-x86/
  3. build-prebuilts.sh
  4. manifest.xml