Revert "hwc: Do not re-program H/W, if the frame geometry has not changed"

This reverts commit 5e268fcf56e7f5bd0fc524d50c0a97c9e34010a1.

Reason: Breaking cache based composition strategy and partial
update feature.

Change-Id: I0c881c8e2bc6be2a0b3dc0d5e7d22a388179f8d8