plugins: tinyalsa: Ignore enum-conversion warnings

Change-Id: Id0ea6076a55fd6664aefa760406c14a6aca1883f
diff --git a/plugins/tinyalsa/Android.mk b/plugins/tinyalsa/Android.mk
index e348dc6..a69cfea 100644
--- a/plugins/tinyalsa/Android.mk
+++ b/plugins/tinyalsa/Android.mk
@@ -22,6 +22,7 @@
     liblog
 
 LOCAL_CFLAGS += -Wno-format -Wno-incompatible-pointer-types
+LOCAL_CFLAGS += -Wno-enum-conversion
 
 #if android version is R, refer to qtitinyxx otherwise use upstream ones
 #This assumes we would be using AR code only for Android R and subsequent versions.