dtbhtool: Do not force utilities to be built

Change-Id: I8b7a8cffae296328bb557852b2d44ba406923a7e

dtbhtool/Android.mk

@@ -37,7 +37,6 @@ include $(CLEAR_VARS)
 LOCAL_SRC_FILES := mkbootimg.c
 LOCAL_STATIC_LIBRARIES := libdtbimg libfdt libmincrypt libcutils libc
 LOCAL_MODULE := utility_mkdtbhbootimg
-LOCAL_MODULE_TAGS := eng
 LOCAL_MODULE_STEM := mkdtbhbootimg
 LOCAL_MODULE_CLASS := UTILITY_EXECUTABLES
 LOCAL_UNSTRIPPED_PATH := $(PRODUCT_OUT)/symbols/utilities
@@ -49,7 +48,6 @@ include $(CLEAR_VARS)
 LOCAL_SRC_FILES := unpackbootimg.c
 LOCAL_STATIC_LIBRARIES := libcutils libc
 LOCAL_MODULE := utility_unpackdtbhbootimg
-LOCAL_MODULE_TAGS := eng
 LOCAL_MODULE_STEM := unpackdtbhbootimg
 LOCAL_MODULE_CLASS := UTILITY_EXECUTABLES
 LOCAL_UNSTRIPPED_PATH := $(PRODUCT_OUT)/symbols/utilities