Merge "Increase tolerance for screenshot color verification in BlurTests" into stage-aosp-sc-ts-dev am: a6c470885b am: 4462915a4b am: c94ab64db8

Original change: https://googleplex-android-review.googlesource.com/c/platform/cts/+/15666976

Change-Id: I629abdf8aa74e40baeb42e7ee18b2a1a6aa355d0