Mark ab/6881855 as merged

Bug: 172690556
Change-Id: I5c82e5958b3afd83ff08dd1e49777f5cc80d518b
tree: ea1febfb8d854433722f86a13f23feabd8074677
  1. darwin-x86/
  2. linux-x86/
  3. build-prebuilts.sh
  4. manifest.xml