Only run ANGLE rules once

Keep track if we've run the ANGLE rules and re-use the decision
if it's already been figured out.
Bug: 80239516
Test: manual, verify ANGLE rules processing message only occurs once.

Change-Id: I2673d2c940783137d6328d6b338d43c8691699a1
diff --git a/opengl/libs/EGL/egldefs.h b/opengl/libs/EGL/egldefs.h
index 7c710d5..e19fa38 100644
--- a/opengl/libs/EGL/egldefs.h
+++ b/opengl/libs/EGL/egldefs.h
@@ -76,6 +76,7 @@
     void*               libGles1;
     void*               libGles2;
 
+    bool                angleDecided;
     bool                useAngle;
     EGLint              angleBackend;
     void*               vendorEGL;