Bump the trunk version to 9.0.0svn

llvm-svn: 351320
Cr-Mirrored-From: sso://chromium.googlesource.com/_direct/external/github.com/llvm/llvm-project
Cr-Mirrored-Commit: 1fe469ae6cd912248e4d754cc59c1231576a36eb
diff --git a/docs/conf.py b/docs/conf.py
index 50b372c..e88b2d3 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -47,9 +47,9 @@
 # built documents.
 #
 # The short X.Y version.
-version = '8.0'
+version = '9.0'
 # The full version, including alpha/beta/rc tags.
-release = '8.0'
+release = '9.0'
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.