Revert "Round up DMSAA attachments to pow2 if supported."

This reverts commit c3e8a7eeb69a8e294cbf782a17d2b906429de819.

Reason for revert: breaks dmsaa clip_shader_persp and complexclip4_aa

Original change's description:
> Round up DMSAA attachments to pow2 if supported.
>
> Change-Id: I03f5ea649209b9894753c981872edbd7d718288c
> Reviewed-on: https://skia-review.googlesource.com/c/skia/+/408643
> Reviewed-by: Brian Salomon <bsalomon@google.com>
> Commit-Queue: Greg Daniel <egdaniel@google.com>

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

Change-Id: I3ff0931d7d00b064b5721a2593d2e9865e8edebc
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/408896
Reviewed-by: Greg Daniel <egdaniel@google.com>
Commit-Queue: Greg Daniel <egdaniel@google.com>
diff --git a/src/gpu/GrCaps.h b/src/gpu/GrCaps.h
index 9d0dbaa..33bbdf2 100644
--- a/src/gpu/GrCaps.h
+++ b/src/gpu/GrCaps.h
@@ -48,7 +48,7 @@
     bool mipmapSupport() const { return fMipmapSupport; }
 
     bool gpuTracingSupport() const { return fGpuTracingSupport; }
-    bool oversizedAttachmentSupport() const { return fOversizedAttachmentSupport; }
+    bool oversizedStencilSupport() const { return fOversizedStencilSupport; }
     bool textureBarrierSupport() const { return fTextureBarrierSupport; }
     bool sampleLocationsSupport() const { return fSampleLocationsSupport; }
     bool multisampleDisableSupport() const { return fMultisampleDisableSupport; }
@@ -504,7 +504,7 @@
     bool fReuseScratchTextures                       : 1;
     bool fReuseScratchBuffers                        : 1;
     bool fGpuTracingSupport                          : 1;
-    bool fOversizedAttachmentSupport                 : 1;
+    bool fOversizedStencilSupport                    : 1;
     bool fTextureBarrierSupport                      : 1;
     bool fSampleLocationsSupport                     : 1;
     bool fMultisampleDisableSupport                  : 1;