Use skia to draw pre-rotated RefreshRateOverlay.

Bug: 166793515
Test: Manual with adb shell dumpsys SurfaceFlinger | grep -A 30 "HWC layers"
Change-Id: I6aad5730794fdb2ca6e0575e650402939bbd24cc
diff --git a/services/surfaceflinger/tests/unittests/Android.bp b/services/surfaceflinger/tests/unittests/Android.bp
index 7512fd3..69c99a8 100644
--- a/services/surfaceflinger/tests/unittests/Android.bp
+++ b/services/surfaceflinger/tests/unittests/Android.bp
@@ -23,7 +23,10 @@
 
 cc_test {
     name: "libsurfaceflinger_unittest",
-    defaults: ["surfaceflinger_defaults"],
+    defaults: [
+        "skia_renderengine_deps",
+        "surfaceflinger_defaults",
+    ],
     test_suites: ["device-tests"],
     sanitize: {
         // Using the address sanitizer not only helps uncover issues in the code