Revert "Pass keyguard occluded status in onAnimationCancelled."

This reverts commit 9f4545bd.

Reason for revert: b/276433230

Test: atest CtsWindowManagerDeviceTestCases:KeyguardTests
Test: atest PowerKeyGestureTests
Bug: 276433230
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:56b8d382defad34d4289f122b76c43a5c32d99f7)
Merged-In: I972d5b80f202b9b6a645fc70b992f6b2141cbc20
Change-Id: I972d5b80f202b9b6a645fc70b992f6b2141cbc20