Revert of Re-enable CPU mipmap generation for Ganesh. Aniso mips were landed a while ago. However, the CPU bu…

src/core/SkImageCacherator.cpp

Index: src/core/SkImageCacherator.cpp
diff --git a/src/core/SkImageCacherator.cpp b/src/core/SkImageCacherator.cpp
index 7b5ff2267774463584c525bdd0f2cc5ee3fcbd8a..bb389e986b4e4d831ddd5d66bead22324729b824 100644
--- a/src/core/SkImageCacherator.cpp
+++ b/src/core/SkImageCacherator.cpp
@@ -303,10 +303,11 @@
     SkBitmap bitmap;
     if (this->tryLockAsBitmap(&bitmap, client, chint)) {
         GrTexture* tex = nullptr;
+        // disable mipmapping until we generate anisotropic mipmap levels
+        willBeMipped = false;
         if (willBeMipped) {
             tex = GrGenerateMipMapsAndUploadToTexture(ctx, bitmap);
-        }
-        if (!tex) {
+        } else {
             tex = GrUploadBitmapToTexture(ctx, bitmap);
         }
         if (tex) {