[Media ML] Add uid as parameter

Adding uid as a parameter to getSessionForKeyEvent since Samsung uses
uid from the method dispatchMediaKeyEvent to determine whether the
KeyEvent is received from a Bluetooth device or not.

Bug: 147027868
Test: build and boot
Change-Id: I7c542db9c0b6a2126c13e0b0730d93cb55d8a1d7
2 files changed