Fix link-type warning on GLPerf

An sdk app GLPerf uses a native:platform library libglperf, which
causes a link-type warning. Actually libutils is the only platform
library used by libglperf, and the warning can be eliminated by
rewriting code not to use libutils and setting LOCAL_SDK_VERSION.

Bug: 73907534
Test: mma -j does not show any link-type warnings
Change-Id: I9ad9b542288e6dd914f14ec45d8d35c6985da89f
diff --git a/opengl/tests/gl_perfapp/Android.mk b/opengl/tests/gl_perfapp/Android.mk
index 854b54f..3f411ea 100644
--- a/opengl/tests/gl_perfapp/Android.mk
+++ b/opengl/tests/gl_perfapp/Android.mk
@@ -39,11 +39,12 @@
   gl_code.cpp
 
 LOCAL_SHARED_LIBRARIES := \
-	libutils \
 	liblog \
 	libEGL \
 	libGLESv2
 
+LOCAL_SDK_VERSION := current
+
 LOCAL_MODULE := libglperf