DO NOT MERGE - Empty merge qt-qpr1-dev-plus-aosp@6304901 into stag-aosp-master

Bug: 151763422
Change-Id: I2bdc484d2264de30f0f08561c1330725ceaeab93
tree: 40e75dd4a241cbcf09457333343e338e73c96f2a
  1. darwin-x86/
  2. linux-x86/
  3. build-prebuilts.sh
  4. manifest.xml