SF: build with ANDROID_UTILS_REF_BASE_DISABLE_IMPLICIT_CONSTRUCTION

Change-Id: I347b2cf57f1df426d11d07a84075419597d4a442
Test: presubmit
diff --git a/services/surfaceflinger/tests/unittests/SetFrameRateTest.cpp b/services/surfaceflinger/tests/unittests/SetFrameRateTest.cpp
index b9a5f36..6ee8174 100644
--- a/services/surfaceflinger/tests/unittests/SetFrameRateTest.cpp
+++ b/services/surfaceflinger/tests/unittests/SetFrameRateTest.cpp
@@ -78,11 +78,11 @@
 }
 
 void SetFrameRateTest::addChild(sp<Layer> layer, sp<Layer> child) {
-    layer.get()->addChild(child.get());
+    layer->addChild(child);
 }
 
 void SetFrameRateTest::removeChild(sp<Layer> layer, sp<Layer> child) {
-    layer.get()->removeChild(child.get());
+    layer->removeChild(child);
 }
 
 void SetFrameRateTest::commitTransaction() {