Updates version number to 0.4.268715767.20190912.

PiperOrigin-RevId: 268717329
diff --git a/version.bzl b/version.bzl
index 51b3eaf..af96bc5 100644
--- a/version.bzl
+++ b/version.bzl
@@ -4,7 +4,7 @@
 # Version number (recorded into the Info.plist)
 TULSI_VERSION_MAJOR = "0"
 
-TULSI_VERSION_FIXLEVEL = "268702226"
+TULSI_VERSION_FIXLEVEL = "268715767"
 
 TULSI_VERSION_DATE = "20190912"