Merge branch 'stable-3.3'
* stable-3.3:
Ensure in-memory model matches state committed to All-Projects
Fix formatting of documentation
Remove unsused variable
Allow blocking of usernames using wildcards and regex
Use MetaDataUpdate.Server instead of MetaDataUpdate.User in cache loader
Add command to register existing user as service user
Cache the service user db
Load ProjectLevelConfig directly
Remove standalone build mode
Remove unnecessary public qualifier from GetConfig.ConfigInfo
Fix errorprone errors
Define Provider<ProjectLevelConfig.Bare>, reduce code repetition
Stop using deprecated JGit API getAllRefs
Make compatible with Gerrit stable-3.3 branch
Upgrade bazlets to latest stable-3.2 to build with 3.2.5.1 API
Upgrade bazlets to latest stable-3.1 to build with 3.1.10 API
Bump Bazel version to 3.7.0
Upgrade bazlets to latest stable-3.0 to build with 3.0.13 API
Bump Bazel version to 3.5.0
Change-Id: Iff000a965e1f3ff31880116c8f3748b01b5fbc30
