Updates version number to 0.4.244069189.20190417.

Significant changes:
- dSYMs are now optional for Swift code (but still enabled by default).
- Enable tree artifact outputs by default.

PiperOrigin-RevId: 244083294
diff --git a/version.bzl b/version.bzl
index 98e9231..6795f44 100644
--- a/version.bzl
+++ b/version.bzl
@@ -4,9 +4,9 @@
 # Version number (recorded into the Info.plist)
 TULSI_VERSION_MAJOR = "0"
 
-TULSI_VERSION_FIXLEVEL = "243086566"
+TULSI_VERSION_FIXLEVEL = "244069189"
 
-TULSI_VERSION_DATE = "20190411"
+TULSI_VERSION_DATE = "20190417"
 
 TULSI_VERSION_COPYRIGHT = "2015-2018"