Add .gitreview

Change-Id: Ia67b0a4a8c15eadbf8877697b5120212e29a1078
Remove QuickSearchBox from build

* This thing is ancient, and apparently conflicts with Google Now.

Change-Id: I18548dd0b61cc8dedf6570562d073d0973120cba
releasetools: don't create prebuilt_dir path if it exits

This path may already exists from previous build tasks. Attempting
to create it again will cause an error.

Change-Id: I4baad8bc846470b99f6ce9207c0682401406decc
Merge "Remove QuickSearchBox from build" into pac-4.4
Merge "releasetools: don't create prebuilt_dir path if it exits" into pac-4.4
Merge remote-tracking branch 'pac/pac-4.4' into pac-4.4