Updates version number to 0.4.271163028.20190925.

Significant changes:
- dSYMs are no longer required for Swift by default.

PiperOrigin-RevId: 271167220
diff --git a/version.bzl b/version.bzl
index d087c74..d68f39e 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 = "269873219"
+TULSI_VERSION_FIXLEVEL = "271163028"
 
-TULSI_VERSION_DATE = "20190918"
+TULSI_VERSION_DATE = "20190925"
 
 TULSI_VERSION_COPYRIGHT = "2015-2018"