Remove kRenderTarget_GrSurfaceFlag, instead pass GrRenderable.

This is the last surface desc flag, so remove flags from GrSurfaceDesc.

Bug: skia:6718

Change-Id: Id3ed66b161289927b62f40bfb1f6482cf544deda
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/227858
Reviewed-by: Robert Phillips <robertphillips@google.com>
Reviewed-by: Greg Daniel <egdaniel@google.com>
Commit-Queue: Brian Salomon <bsalomon@google.com>
diff --git a/src/gpu/GrYUVProvider.cpp b/src/gpu/GrYUVProvider.cpp
index f7a1e50..f3d259b 100644
--- a/src/gpu/GrYUVProvider.cpp
+++ b/src/gpu/GrYUVProvider.cpp
@@ -150,9 +150,8 @@
                                                           dataStoragePtr);
 
         auto proxyProvider = ctx->priv().proxyProvider();
-        auto clearFlag = kNone_GrSurfaceFlags;
-        yuvTextureProxies[i] = proxyProvider->createTextureProxy(yuvImage, clearFlag,
-                                                                 1, SkBudgeted::kYes, fit);
+        yuvTextureProxies[i] = proxyProvider->createTextureProxy(yuvImage, GrRenderable::kNo, 1,
+                                                                 SkBudgeted::kYes, fit);
 
         SkASSERT(yuvTextureProxies[i]->width() == yuvSizeInfo.fSizes[i].fWidth);
         SkASSERT(yuvTextureProxies[i]->height() == yuvSizeInfo.fSizes[i].fHeight);