Don't use gralloc_drm headers

Test: We compile correctly without gralloc_drm
Bug: 32336912
Change-Id: I8449133b4c35a3bbf7b25f81c908ae371d9a9221
diff --git a/src/egl/Android.mk b/src/egl/Android.mk
index ec670f5..a33ca67 100644
--- a/src/egl/Android.mk
+++ b/src/egl/Android.mk
@@ -41,7 +41,6 @@
 LOCAL_CFLAGS := \
 	-D_EGL_NATIVE_PLATFORM=_EGL_PLATFORM_ANDROID \
 	-D_EGL_BUILT_IN_DRIVER_DRI2 \
-	-DHAS_GRALLOC_DRM_HEADERS \
 	-DHAVE_ANDROID_PLATFORM
 
 LOCAL_C_INCLUDES := \
@@ -56,7 +55,6 @@
 	libhardware \
 	liblog \
 	libcutils \
-	libgralloc_drm \
 	libsync
 
 ifeq ($(strip $(MESA_BUILD_CLASSIC)),true)