Merge "Cache event jclass in Tuner framework jni for performance" into udc-dev am: 907a3606 am: 85ec26b4

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22101962



Change-Id: Ic332b825c90928fee2a233bcd6e7b0c90e90a3e0
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>