65xx: Minimally refactor Android.mk

For build-system CFLAGS clean-up.

Bug: 18632512
Change-Id: Ife94175e255e67e2ab1fd3dc1808d322cc1b1b69
diff --git a/65xx/libsensors_iio/Android.mk b/65xx/libsensors_iio/Android.mk
index ee4b021..7c21a6a 100644
--- a/65xx/libsensors_iio/Android.mk
+++ b/65xx/libsensors_iio/Android.mk
@@ -17,7 +17,6 @@
 
 # Too many benign warnings to be fixed later.
 my_ignored_clang_warnings := \
-    -Wno-unused-parameter \
     -Wno-unused-private-field \
     -Wno-gnu-designator
 
@@ -30,6 +29,7 @@
 LOCAL_MODULE_OWNER := invensense
 
 LOCAL_CFLAGS := -DLOG_TAG=\"Sensors\" -Werror -Wall
+LOCAL_CFLAGS += -Wno-unused-parameter
 
 # ANDROID version check
 MAJOR_VERSION :=$(shell echo $(PLATFORM_VERSION) | cut -f1 -d.)
@@ -122,6 +122,7 @@
 
 LOCAL_MODULE_TAGS := optional
 LOCAL_CFLAGS := -DLOG_TAG=\"Sensors\" -Werror -Wall
+LOCAL_CFLAGS += -Wno-unused-parameter
 
 ifeq ($(VERSION_JB),true)
 LOCAL_CFLAGS += -DANDROID_JELLYBEAN