display: Change LOCAL_MODULE_PATH to LOCAL_MODULE_RELATIVE_PATH

To comply with multi-arch build system changes for 64-bit support,
LOCAL_MODULE_RELATIVE_PATH needs to be used.

Drop explicit use of LOCAL_MODULE_PATH as its not needed, and
causes build system to overwrite one of multi-arch library
variants with the other arch variant.

Change-Id: I882de72ad2003f1e2bcc93fb63bad7377a84d31d
diff --git a/libhwcomposer/Android.mk b/libhwcomposer/Android.mk
index 7dadfe4..ef7778b 100644
--- a/libhwcomposer/Android.mk
+++ b/libhwcomposer/Android.mk
@@ -3,7 +3,7 @@
 include $(CLEAR_VARS)
 
 LOCAL_MODULE                  := hwcomposer.$(TARGET_BOARD_PLATFORM)
-LOCAL_MODULE_PATH             := $(TARGET_OUT_SHARED_LIBRARIES)/hw
+LOCAL_MODULE_RELATIVE_PATH    := hw
 LOCAL_MODULE_TAGS             := optional
 LOCAL_C_INCLUDES              := $(common_includes) $(kernel_includes) \
                                  $(TOP)/external/skia/include/core \