Update build-tools to ab/4836637

The main change here is the addition of some optional warnings/errors in
ckati.

Test: diff build-aosp_arm.ninja
Test: treehugger
Change-Id: Id8687d6eaf55548967f4f28c258a6d5fc989f11f
15 files changed
tree: 8031770efd2d9e6b9c045fd31adb06feec943e0d
  1. common/
  2. darwin-x86/
  3. linux-x86/
  4. build-prebuilts.sh
  5. manifest.xml
  6. OWNERS