Native/opengl: Remove unused variables from test

For build-system CFLAGS clean-up.

Bug: 18632512

(cherry picked from commit a75f729650b18478e3ff822dbf686406ed7f7169)

Change-Id: Ibe2d59c7e0677f02e4bf5214d34655cd300d5f15
diff --git a/opengl/tests/gl_perfapp/jni/gl_code.cpp b/opengl/tests/gl_perfapp/jni/gl_code.cpp
index 2f04183..378c8e8 100644
--- a/opengl/tests/gl_perfapp/jni/gl_code.cpp
+++ b/opengl/tests/gl_perfapp/jni/gl_code.cpp
@@ -26,8 +26,6 @@
 // The stateClock starts at zero and increments by 1 every time we draw a frame. It is used to control which phase of the test we are in.
 
 int stateClock;
-const int doLoopStates = 2;
-const int doSingleTestStates = 2;
 bool done;
 
 // Saves the parameters of the test (so we can print them out when we finish the timing.)