Change GL references to GPU for getFrameTimestamps.

Test: Rename only.

Change-Id: Idaf7ab38f78f58aa8387823f47dac084e21eb1f0
diff --git a/opengl/include/EGL/eglext.h b/opengl/include/EGL/eglext.h
index 6572cab..3cb7322 100644
--- a/opengl/include/EGL/eglext.h
+++ b/opengl/include/EGL/eglext.h
@@ -640,7 +640,7 @@
 #define EGL_COMPOSITION_LATCH_TIME_ANDROID 0x3153
 #define EGL_FIRST_COMPOSITION_START_TIME_ANDROID 0x3154
 #define EGL_LAST_COMPOSITION_START_TIME_ANDROID 0x3155
-#define EGL_FIRST_COMPOSITION_FINISHED_TIME_ANDROID 0x3156
+#define EGL_FIRST_COMPOSITION_GPU_FINISHED_TIME_ANDROID 0x3156
 #define EGL_DISPLAY_PRESENT_TIME_ANDROID 0x3157
 #define EGL_DISPLAY_RETIRE_TIME_ANDROID 0x3158
 #define EGL_DEQUEUE_READY_TIME_ANDROID 0x3159