Check that Android is not looking up fonts

Change-Id: I86529296dc1229a1c9864dd12886d52d7db3aae2
Reviewed-on: https://skia-review.googlesource.com/124580
Commit-Queue: Herb Derby <herb@google.com>
Commit-Queue: Mike Klein <mtklein@google.com>
Reviewed-by: Mike Klein <mtklein@google.com>

src/core/SkGlyphCache.h

@@ -225,8 +225,7 @@ public:
     SkAutoGlyphCacheNoGamma(const SkPaint& paint,
                             const SkSurfaceProps* surfaceProps,
                             const SkMatrix* matrix)
-        : SkExclusiveStrikePtr(SkStrikeCache::FindOrCreateStrikeExclusive(
-            paint, surfaceProps, SkScalerContextFlags::kNone, matrix)) {}
+        : SkExclusiveStrikePtr(nullptr) {}
 };
 #define SkAutoGlyphCacheNoGamma(...) SK_REQUIRE_LOCAL_VAR(SkAutoGlyphCacheNoGamma)
 #endif