Camera: Set input timestamp before returning depth jpegs

The depth jpeg result and image timestamps must always match.
Set the depth jpeg output surface timestamp accordingly before
returning the resulting output buffer.

Bug: 142011420
Test: atest
cts/tests/camera/src/android/hardware/camera2/cts/StillCaptureTest.java#testDynamicDepthCapture

Change-Id: I2d70367d3cc60014d24cc138e4ca882b2111e161