am bbd460d7: (-s ours) am 6aea1154: DO NOT MERGE: KeyguardManager: Add isKeyguardLocked() and isKeyguardSecure()

* commit 'bbd460d76dc69eca9a14ab1127b95a55429f460a':
  DO NOT MERGE: KeyguardManager: Add isKeyguardLocked() and isKeyguardSecure()