Reland "Move GrGpuResource GrSurface and GrTexture into src."

This reverts commit f6ed96d1c23b79130ca7344c984b07ef9d94fb7b.

Reason for revert: google3 change landed

Original change's description:
> Revert "Move GrGpuResource GrSurface and GrTexture into src."
> 
> This reverts commit e5a06ce678aad7640411f99f70f220f82ad49908.
> 
> Reason for revert: Need to make change in google3 first
> 
> Original change's description:
> > Move GrGpuResource GrSurface and GrTexture into src.
> > 
> > Must land https://chromium-review.googlesource.com/c/chromium/src/+/2087980
> > before this can land.
> > 
> > Bug: skia:7966
> > Change-Id: I60bbb1765bfbb2c96b2bc0c9826b6b9d57eb2a03
> > Reviewed-on: https://skia-review.googlesource.com/c/skia/+/275077
> > Commit-Queue: Greg Daniel <egdaniel@google.com>
> > Reviewed-by: Robert Phillips <robertphillips@google.com>
> 
> TBR=egdaniel@google.com,bsalomon@google.com,robertphillips@google.com
> 
> Change-Id: Id39e0a351e49a87209de88a6ad9fadb0219db72c
> No-Presubmit: true
> No-Tree-Checks: true
> No-Try: true
> Bug: skia:7966
> Reviewed-on: https://skia-review.googlesource.com/c/skia/+/275216
> Reviewed-by: Greg Daniel <egdaniel@google.com>
> Commit-Queue: Greg Daniel <egdaniel@google.com>

TBR=egdaniel@google.com,bsalomon@google.com,robertphillips@google.com

Change-Id: I746ce739cb084cefc46f9dab24ef773e7c3cc621
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: skia:7966
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/275436
Reviewed-by: Greg Daniel <egdaniel@google.com>
Commit-Queue: Greg Daniel <egdaniel@google.com>
diff --git a/RELEASE_NOTES.txt b/RELEASE_NOTES.txt
index 3b2d7e1..db4a550 100644
--- a/RELEASE_NOTES.txt
+++ b/RELEASE_NOTES.txt
@@ -7,6 +7,9 @@
 Milestone 82
 
 <Insert new notes here- top is most recent.>
+  * Removed GrGpuResource, GrSurface, and GrTexture from public api. These were not
+    meant to be public, and we now can move them into src.
+
   * Removed Bones from SkVertices
 
   * Added a field to GrContextOptions that controls whether GL errors are checked after