hwc: Add binder API to control partial update

Expose binder API to control partial update dynamically. Partial
update feature cannot co-exist with post processing features
dependent on histogram data. With this API, OEM's can set their
preferences on these features on use case basis.

Change-Id: Iee3eaa1593e057b1a0b7d35e642352f7f02c460f
5 files changed