Android: Move setting DEFAULT_DRIVER_DIR to shared location

Move the defining of DEFAULT_DRIVER_DIR path to a common location so both
EGL and GBM can use it.

Signed-off-by: Rob Herring <robh@kernel.org>
Reviewed-by: Emil Velikov <emil.l.velikov@gmail.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
diff --git a/Android.common.mk b/Android.common.mk
index 4f02fc7..b866293 100644
--- a/Android.common.mk
+++ b/Android.common.mk
@@ -83,6 +83,13 @@
 	-Wno-error=non-virtual-dtor \
 	-Wno-non-virtual-dtor
 
+ifeq ($(MESA_LOLLIPOP_BUILD),true)
+  LOCAL_CFLAGS_32 += -DDEFAULT_DRIVER_DIR=\"/system/lib/$(MESA_DRI_MODULE_REL_PATH)\"
+  LOCAL_CFLAGS_64 += -DDEFAULT_DRIVER_DIR=\"/system/lib64/$(MESA_DRI_MODULE_REL_PATH)\"
+else
+  LOCAL_CFLAGS += -DDEFAULT_DRIVER_DIR=\"/system/lib/$(MESA_DRI_MODULE_REL_PATH)\"
+endif
+
 # uncomment to keep the debug symbols
 #LOCAL_STRIP_MODULE := false