Revert "Revert "Revert "Revert "Redefine the meaning of sample counts in GPU backend.""""

This reverts commit 18c52a7b52211de5d0dcd86dc048adef758c6c75.

Also relands "More sample count cleanup:" and "Add new GrContext queries for imagability, surfacability, and max sample count of color types"


Bug: skia:
Change-Id: I4028105a3a1f16ce3944e134619eb6245af6b947
Reviewed-on: https://skia-review.googlesource.com/102940
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Brian Salomon <bsalomon@google.com>
diff --git a/tools/fiddle/fiddle_main.cpp b/tools/fiddle/fiddle_main.cpp
index 4ba84f3..684bc2a 100644
--- a/tools/fiddle/fiddle_main.cpp
+++ b/tools/fiddle/fiddle_main.cpp
@@ -133,7 +133,7 @@
     backingDesc.fHeight = bm.height();
     // This config must match the SkColorType used in draw.cpp in the SkImage and Surface factories
     backingDesc.fConfig = kRGBA_8888_GrPixelConfig;
-    backingDesc.fSampleCnt = 0;
+    backingDesc.fSampleCnt = 1;
 
     if (!bm.empty()) {
         SkPixmap originalPixmap;