Merge "Introduce a LazyJniRegistrar helper class for system server" into main am: df0bba9291 am: 827830bb60

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

Change-Id: If32279ed880924d9d6b330296c533b5cabd970ac
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>