audio: Make repetitive logs silent

Define NDEBUG Macro in Makefile to avoid
ALOGV logs to be printed on shell.
Move repetitive logs under ALOGV log level.

CRs-Fixed: 2135642
Change-Id: Id573300504cdb15aea285ec33a08319155cff189
diff --git a/qahw/Makefile.am b/qahw/Makefile.am
index 2f33c9f..1375157 100644
--- a/qahw/Makefile.am
+++ b/qahw/Makefile.am
@@ -18,4 +18,5 @@
 libqahwwrapper_la_CFLAGS += -Dstrlcpy=g_strlcpy $(GLIB_CFLAGS) -include glib.h
 libqahwwrapper_la_CFLAGS += -D__unused=__attribute__\(\(__unused__\)\)
 libqahwwrapper_la_CFLAGS += -Werror -Wall
+libqahwwrapper_la_CFLAGS += -DNDEBUG
 libqahwwrapper_la_LDFLAGS = -shared -avoid-version -llog -lcutils -lhardware $(GLIB_LIBS)