Migrate away for heuristics for bicubic filtering

Bug: skia: 7650
Change-Id: Id20aed3a7a2676ab053a32a95f225e60186c0851
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/335593
Commit-Queue: Mike Reed <reed@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>
Reviewed-by: Florin Malita <fmalita@chromium.org>
diff --git a/tests/BackendAllocationTest.cpp b/tests/BackendAllocationTest.cpp
index e44d099..1519752 100644
--- a/tests/BackendAllocationTest.cpp
+++ b/tests/BackendAllocationTest.cpp
@@ -417,7 +417,7 @@
     SkCanvas* canvas = surf->getCanvas();
 
     SkPaint p;
-    p.setFilterQuality(kHigh_SkFilterQuality);
+    p.setFilterQuality(kMedium_SkFilterQuality);    // to force mipMapping
 
     int numMipLevels = 6;