Merge branch 'stable-3.3'
* stable-3.3:
Update global-refdb to 3.3.2.1 and consume java8 flavor
Add batchThreadPoolSize to high-availability.config
Use dedicated Executor Service for batch indexing
Use separate endpoint for interactive indexing
Use separate FlusherRunner to fix NullPointerExceptions
Reuse repository object when calculating target and meta SHA
Check meta ref sha1 during the index propagation
Upgrade bazlets to latest stable-3.0 to build with 3.0.15 API
Use Gerrit 3.1.12 in Dockerfile
Upgrade bazlets to latest stable-2.16 to build with 2.16.26 API
Explain how to set index.numStripedLocks
Document last index update timestamp storage
Use global-refdb version 3.3.1
Upgrade bazlets to latest stable-3.2 to build with 3.2.6 API
Upgrade bazlets to latest stable-3.1 to build with 3.1.11 API
Use Gerrit 3.1.11 in Dockerfile
HttpSession: Align project name encoding with gerrit core
Change-Id: Id93016c2f2b13c33f0068aedd97784b9ebe509d0
