Revert "Only accept user rotations when in USER_ROTATION_FREE mode"

Seems to break the scenario when the app is requesting sensorLandscape, and the user has 90/270 enabled, the system won't rotate to that rotation.

Ref: OSS NIGHTLIES-1976

This reverts commit 51bdbe79.

Change-Id: I227bc5662909efa3ef7ed806496e51ef0e23cacd