Updates version number to 0.4.334385447.20200929.

Significant changes:
- App clip support.
- Support building/running watchOS apps on Xcode 12 simulators.
  For backwards compatibility reasons, you will need to enable
  the "Building for watchOS simulator on Xcode 12" option in the
  Tulsi project settings.

PiperOrigin-RevId: 334389214
diff --git a/version.bzl b/version.bzl
index 0b97114..355fb13 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 = "332308027"
+TULSI_VERSION_FIXLEVEL = "334385447"
 
-TULSI_VERSION_DATE = "20200917"
+TULSI_VERSION_DATE = "20200929"
 
 TULSI_VERSION_COPYRIGHT = "2015-2018"