Make android.intent.action.MASTER_CLEAR depreciation explicit

Bug: 36977779
Test: make sailfish cts
Test: run cts -o -m CtsSignatureTestCases -t android.signature.cts.IntentTest#shouldNotFindUnexpectedIntents
Change-Id: I7c18f9c3c1b73b4feca6904f927266f6973d889c
4 files changed