Add a tolerance for 10 bit readback

Some devices will blend in a high precision, then dither to a lower precision for output. If that dither block is programmed prior to readback, then this can introduce noise. We haven't encountered this for 8-bit readback, but have for 10-bit readback.

Bug: 411418175
Flag: TEST_ONLY
Test: builds
Change-Id: I94445fb51e63e4c5cf413b7defe74254a8245eb0
2 files changed