Merge "AdbDebuggingManager: Add @Keep to mPublicKey." into main am: bc7a8588e0

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/3274275

Change-Id: Ifa15e030e4945ac388e60618c03942db9c5c09e6
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>