Remove abi diffing tools from build-tools. am: 13db9fd267 am: 274266d09f
am: 9c2e6a7c83

Change-Id: If661338620285b8fc9e15c061fda402f3c563df7
tree: d85655a8a18f407773e39914657b415ecbc391d3
  1. common/
  2. darwin-x86/
  3. linux-x86/
  4. build-prebuilts.sh
  5. manifest.xml
  6. OWNERS