display: Use LOCAL_VENDOR_MODULE

Avoids hardcoding paths in vendor
Change-Id: I6411c27cebfd8bc1d65bc84942b4c2621f64e420
CRs-Fixed: 2048581
diff --git a/libgralloc/Android.mk b/libgralloc/Android.mk
index 76be57d..86c0f04 100644
--- a/libgralloc/Android.mk
+++ b/libgralloc/Android.mk
@@ -18,12 +18,7 @@
 include $(CLEAR_VARS)
 
 LOCAL_MODULE                  := gralloc.$(TARGET_BOARD_PLATFORM)
-
-ifneq ($(TARGET_IS_HEADLESS), true)
-LOCAL_MODULE_PATH_32          := $(TARGET_OUT_VENDOR)/lib
-LOCAL_MODULE_PATH_64          := $(TARGET_OUT_VENDOR)/lib64
-endif
-
+LOCAL_VENDOR_MODULE           := true
 LOCAL_MODULE_RELATIVE_PATH    := hw
 LOCAL_MODULE_TAGS             := optional
 LOCAL_C_INCLUDES              := $(common_includes) $(kernel_includes)
@@ -44,12 +39,7 @@
 include $(CLEAR_VARS)
 
 LOCAL_MODULE                  := libmemalloc
-
-ifneq ($(TARGET_IS_HEADLESS), true)
-LOCAL_MODULE_PATH_32          := $(TARGET_OUT_VENDOR)/lib
-LOCAL_MODULE_PATH_64          := $(TARGET_OUT_VENDOR)/lib64
-endif
-
+LOCAL_VENDOR_MODULE           := true
 LOCAL_MODULE_TAGS             := optional
 LOCAL_C_INCLUDES              := $(common_includes) $(kernel_includes)
 LOCAL_HEADER_LIBRARIES        := display_headers