modules: camera: No-op result submission with request

Change-Id: If4e377ba0ac327cc02ac2b9765ce5d406b8960a8
diff --git a/modules/camera/Android.mk b/modules/camera/Android.mk
index 823fe17..5d26934 100644
--- a/modules/camera/Android.mk
+++ b/modules/camera/Android.mk
@@ -32,6 +32,7 @@
 	libcamera_metadata \
 	libcutils \
 	liblog \
+	libsync \
 
 LOCAL_CFLAGS += -Wall -Wextra -fvisibility=hidden