Add check for swipes before pilfering touch

Don't pilfer touches if a swipe downward to bring down QuickSettings or
a swipe upwards to bring up PrimaryBouncer is in progress.

Additionally, removes unnecessary double pilfer calls.

Test: atest SystemUITests:com.android.systemui.biometrics
Bug: 274998526
Change-Id: I2a68a2df41438de92e8423b75dffcad9597bad8d