display-drivers: Fix for hermetic builds

* Remove shell usage.
* Remove legacy makefile for UAPI headers.

Change-Id: Ia037e19899d6f1c2a6107e174148ce15c8d4a7e1
Signed-off-by: Naseer Ahmed <naseer@codeaurora.org>

Android.mk

@@ -1,12 +1,3 @@
 # Android makefile for display kernel modules
-MY_LOCAL_PATH := $(call my-dir)
-
-include $(CLEAR_VARS)
-LOCAL_ADDITIONAL_DEPENDENCIES := $(wildcard $(LOCAL_PATH)/**/*) $(wildcard $(LOCAL_PATH)/*)
-
-UAPI_OUT := $(PRODUCT_OUT)/obj/vendor/qcom/opensource/display-drivers/include
-
-$(shell mkdir -p $(UAPI_OUT)/display;)
-
-include $(MY_LOCAL_PATH)/include/uapi/display/Android.mk
-include $(MY_LOCAL_PATH)/msm/Android.mk
+LOCAL_PATH := $(call my-dir)
+include $(LOCAL_PATH)/msm/Android.mk