Remove key from adb_keys if user forgets the key.

It was being removed from adb_temp_keys.xml but not adb_keys.

Bug: 150138676
Bug: 111434128

Test: atest AdbDebuggingManagerTest

Change-Id: I3c31394e4480e787c771e193b179a472d6ee4a62
Merged-In: I3c31394e4480e787c771e193b179a472d6ee4a62