Merge "Initialize max history buffer size when reading checkin file" into...

Merge "Initialize max history buffer size when reading checkin file" into udc-dev am: 7fb87efd am: 0c49d24a

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/21533912



Change-Id: Ie943dca3ff3e9d0aaeead9b86dce2c5323cdf34a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>