Bluetooth: Turn off unused-XXX warnings

For build-system CFLAGS clean-up, disable warnings locally.

Should be reverted when the code is fixed.

Bug: 18632512
Change-Id: I2356dbbe89d1ccec5b0bd0b60ab06bf57ce021d1

Android.mk

@@ -13,6 +13,9 @@ endif
 
 bdroid_CFLAGS += -Wall -Werror
 
+# Temporary, remove after cleanup. b/18632512
+bdroid_CFLAGS += -Wno-unused
+
 ifneq ($(BOARD_BLUETOOTH_BDROID_HCILP_INCLUDED),)
   bdroid_CFLAGS += -DHCILP_INCLUDED=$(BOARD_BLUETOOTH_BDROID_HCILP_INCLUDED)
 endif