Merge QP1A.190523.001

Change-Id: I5cde6e404bba595888720b9c06f73f2a85b1f920
tree: 0fa4684d49397a9b49950e2201b5f5f8f3aa4420
  1. darwin-x86/
  2. linux-x86/
  3. build-prebuilts.sh
  4. manifest.xml