fixup include paths

- remove unneeded include deps
- remove some hardcoded include paths

Change-Id: Ifae0e2b2d738e0f94f8525c45be78f4227ce1673
diff --git a/opengl/tests/fillrate/Android.mk b/opengl/tests/fillrate/Android.mk
index 835f858..4dade21 100644
--- a/opengl/tests/fillrate/Android.mk
+++ b/opengl/tests/fillrate/Android.mk
@@ -11,7 +11,7 @@
     libGLESv1_CM \
     libui
 
-LOCAL_C_INCLUDES += frameworks/base/opengl/tests/include
+LOCAL_C_INCLUDES += $(call include-path-for, opengl-tests-includes)
 
 LOCAL_MODULE:= test-opengl-fillrate