Tests: Update color values for Unsized/Unsigned in texture tests Some of the values don't make sense, appear to be copy/paste errors. Likely pass on non-Android due to sizable error tolerance. Also turn on float tests that just work. Test: angle_end2end_tests --gtest_filter=Texture*Copy*/ES3_Vulkan Bug: angleproject:4756 Bug: angleproject:8620 Change-Id: I3fffb7859421bc179e3e5dd6bca14b4e2ac378ee Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/5381400 Reviewed-by: Roman Lavrov <romanl@google.com> Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org> Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org>