Merge branch 'stable-2.15' into stable-2.16
* stable-2.15:
Upgrade bazlets to latest stable-2.15 to build with 2.15.9 API
Upgrade bazlets to latest stable-2.15 to build with 2.15.8 API
Upgrade bazlets to latest stable-2.14 to build with 2.14.18 API
ForwardedIndexChangeHandler: Replace parameter writing with variable
PeerInfoNotAvailableException: Remove this class as no longer used
Forwarder tests: Convert useless members to local variable
ForwardedIndexChangeHandlerTest: Remove unused gitRepoMgrMock
ChangeChecker{Impl}: Remove redundant public modifier
ForwardedIndexChangeHandler: Remove redundant local variable
ChangeReindexRunnable: Replace statement lambda with expression
IndexTs: Move local variable to used scope
ForwardedIndexChangeHandler: Remove unused changeFinder parameter
Catch all exceptions when indexTs fails
Minimize use of ReviewDb when not needed
Retry change reindex because of NFS access caching
RestForwarder: Replace lambda with method reference
Always use the stored timestamp when checking for updates
Use always the last TS of the reindex across runs
GroupReindexRunnable: Replace lambdas with method reference
Support n nodes when using static strategy
Change-Id: Ifcc5dd45444df869026434323c31f139bcd56e51
