Use String8/16 c_str [graphics]

Bug: 295394788
Test: make checkbuild
Change-Id: I69aa06b109c2f40ecf40441cbbb0dfa3e1aa99a1
diff --git a/libs/gui/tests/Surface_test.cpp b/libs/gui/tests/Surface_test.cpp
index 30b7a9f..e89998f 100644
--- a/libs/gui/tests/Surface_test.cpp
+++ b/libs/gui/tests/Surface_test.cpp
@@ -415,7 +415,7 @@
     sp<ANativeWindow> window(surface);
     native_window_api_connect(window.get(), NATIVE_WINDOW_API_CPU);
 
-    EXPECT_STREQ("TestConsumer", surface->getConsumerName().string());
+    EXPECT_STREQ("TestConsumer", surface->getConsumerName().c_str());
 }
 
 TEST_F(SurfaceTest, GetWideColorSupport) {