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

src/gpu/GrImageIDTextureAdjuster.cpp

Index: src/gpu/GrImageIDTextureAdjuster.cpp
diff --git a/src/gpu/GrImageIDTextureAdjuster.cpp b/src/gpu/GrImageIDTextureAdjuster.cpp
index 6cfee90c147c0c96cf5c7a7b5951f1715512cdfa..5ba99d20de7ffe7b1fd3cd6c4aa98dc4dabdc8d2 100644
--- a/src/gpu/GrImageIDTextureAdjuster.cpp
+++ b/src/gpu/GrImageIDTextureAdjuster.cpp
@@ -90,10 +90,11 @@
             return tex;
         }
     }
+    // disable mipmapping until we generate anisotropic mipmap levels
+    willBeMipped = false;
     if (willBeMipped) {
         tex = GrGenerateMipMapsAndUploadToTexture(this->context(), fBitmap);
-    }
-    if (!tex) {
+    } else {
         tex = GrUploadBitmapToTexture(this->context(), fBitmap);
     }
     if (tex && fOriginalKey.isValid()) {