QCamera2/HAL3: Set timestamps in private display metadata

Set the timestamp in display metadata so that clients aware of
private_handle such as VT can use this un-modified timestamps.
Camera framework is unaware of this timestamp and cannot
modify this.

Bug: 30411594
Change-Id: I21eada8c6a56d5a014525fdc271e258a256b4ee9
2 files changed