New variant of SkImage::MakeFromYUVATextures.

Takes a new type GrYUVATextures. This a set of GrBackendTextures and
SkYUVAInfo that have been pre-validated to be compatible.

Bug: skia:10632

Change-Id: Id252f8662ede0f268e88fd40dc1b0b8f4ab6345f
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/317762
Commit-Queue: Brian Salomon <bsalomon@google.com>
Reviewed-by: Jim Van Verth <jvanverth@google.com>
Reviewed-by: Robert Phillips <robertphillips@google.com>
diff --git a/RELEASE_NOTES.txt b/RELEASE_NOTES.txt
index a019c11..e5209ec 100644
--- a/RELEASE_NOTES.txt
+++ b/RELEASE_NOTES.txt
@@ -6,9 +6,13 @@
 
 Milestone 88
 ------------
-
   * <insert new release notes here>
 
+  * New variant of SkImage::MakeFromYUVATextures. Takes a new type GrYUVATextures
+    which wraps an SkYUVAInfo and compatible set of GrBackendTextures. The provides
+    a more complete and structured specification of the planar configuration. Previous
+    version is deprecated.
+
   * SkTPin() removed from public API.
 
   * Add new SkImageFilters::Blend factory function, in place of the now deprecated