Merge branch 'stable-3.4' into stable-3.5

stable-3.4
* Merge "Move Gerrit init and reindexing steps to entrypoint.sh." into stable-3.4
* Move Gerrit init and reindexing steps to entrypoint.sh.

Change-Id: I1d3038730180c646b7a4cb8a5ba434a5c0db4dc8