Disable more warnings in external/iw am: 9f8f6f4ae3 am: 6a3e9a164c
am: bc8399dda5

Change-Id: Ibaa2c4dae3726c32b1f7a815da2ee69a0f5d3b20
diff --git a/Android.mk b/Android.mk
index 700d516..bd5fa96 100644
--- a/Android.mk
+++ b/Android.mk
@@ -15,7 +15,9 @@
 # Silence some warnings for now. Needs to be fixed upstream. b/26105799
 LOCAL_CFLAGS += -Wno-unused-parameter \
                 -Wno-sign-compare \
-                -Wno-format
+                -Wno-format \
+                -Wno-absolute-value \
+                -Werror
 LOCAL_CLANG_CFLAGS += -Wno-enum-conversion
 
 LOCAL_LDFLAGS := -Wl,--no-gc-sections