Merge "Remove SerialService JNI layer" into main am: 5fb7c8613a

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/3322423

Change-Id: Ide577c2e204d64cbbaa2d1a9205aec2a81e18ceb
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>