display: Do not use target names in hw modules

Change-Id: Idf57c3a02330cbd79b64de6512493aedc23c6d08
CRs-Fixed: 2385459
diff --git a/gralloc/Android.mk b/gralloc/Android.mk
index 0e648fe..2ae5778 100644
--- a/gralloc/Android.mk
+++ b/gralloc/Android.mk
@@ -3,7 +3,7 @@
 include $(LOCAL_PATH)/../common.mk
 include $(CLEAR_VARS)
 
-LOCAL_MODULE                  := gralloc.$(TARGET_BOARD_PLATFORM)
+LOCAL_MODULE                  := gralloc.qcom
 LOCAL_VENDOR_MODULE           := true
 LOCAL_MODULE_RELATIVE_PATH    := hw
 LOCAL_MODULE_TAGS             := optional