Fix repeated surface timestamp condition

We were only artificially increasing the timestamp for the first capture
with a stall input buffer (input didn't change).

Bug: 351341245
Test: android.virtualdevice.cts.camera.VirtualCameraCaptureTest#virtualCamera_captureWithTimestamp_imageWriter_multipleImages
Flag: EXEMPT Bug fix
Change-Id: I32bc5c510a383d3c6d4fec8edf0229e55de396a1
1 file changed