MT#55283 update YCM conf

Change-Id: Iac6a1d5cfe4d78533183d94c82beb58abdb72f44

daemon/.ycm_extra_conf.py

@@ -34,6 +34,7 @@ flags = [
     '-pthread',
     '-I../kernel-module/',
     '-I../lib/',
+    '-I../daemon/private',
     '-I../include/',
     '-I../daemon/',
     '-D_GNU_SOURCE',