Add ABGRToNV12

This CL adds ABGRToNV12 in libyuv library in ARC++P. The libyuv master branch already has the
function. The CL is based on https://chromium-review.googlesource.com/c/libyuv/libyuv/+/1739509.

Bug: 140458621
Test: android.video.cts.VideoEncoderDecoderTest#testAvcOther0Perf1280x0720 on cave
Change-Id: I7bed7f2d17ee1cc1bf5b0302beebed2eca89df82
(cherry picked from commit ee8c98966cd696852bfb383c56029f85db890ffe)
2 files changed