titan: update master build status link (#417)

sre-bot · web-flow · commit 1ef6fe7d1f55 · 2019-12-31T11:30:09.000+08:00
diff --git a/librocksdb_sys/libtitan_sys/titan b/librocksdb_sys/libtitan_sys/titan
@@ -1 +1 @@
-Subproject commit c12dfdfbeb9b48ac897b05636e9fa03782421f94
+Subproject commit 0ec5705a01e917a6bc5337930b757baca54ef661
