Merge "Introduce a LazyJniRegistrar helper class for system server" into main am: df0bba9291

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/3324153

Change-Id: I68a34eaa50776936cabf33f8c8f342b26a56f6a1
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>