* stable-3.1: Update git submodules Update git submodules Update git submodules Update git submodules Update git submodules Update git submodules Update git submodules Update git submodules Fix 'visibleto' predicate for group Upgrade recommended version of buildifier to 3.0.0 Update git submodules Update git submodules Update git submodules Change-Id: I95c5ea380a7135aadf5713fd4ec5772adb77a0c7