Update prebuilts to go1.9rc1 ab/4215840
Test: m -j blueprint_tools
Change-Id: I8ce0d15553d871a3e79dc5836260651c0e515b5c
diff --git a/doc/install-source.html b/doc/install-source.html
index 45c5bbb..5d732b0 100644
--- a/doc/install-source.html
+++ b/doc/install-source.html
@@ -143,7 +143,7 @@
<p>
To build a bootstrap tool chain from source, use
either the git branch <code>release-branch.go1.4</code> or
-<a href="https://storage.googleapis.com/golang/go1.4-bootstrap-20161024.tar.gz">go1.4-bootstrap-20161024.tar.gz</a>,
+<a href="https://storage.googleapis.com/golang/go1.4-bootstrap-20170531.tar.gz">go1.4-bootstrap-20170531.tar.gz</a>,
which contains the Go 1.4 source code plus accumulated fixes
to keep the tools running on newer operating systems.
(Go 1.4 was the last distribution in which the tool chain was written in C.)
@@ -221,7 +221,7 @@
Change to the directory that will be its parent
and make sure the <code>go</code> directory does not exist.
Then clone the repository and check out the latest release tag
-(<code class="versionTag">go1.8</code>, for example):</p>
+(<code class="versionTag">go1.8.1</code>, for example):</p>
<pre>
$ git clone https://go.googlesource.com/go
@@ -409,7 +409,7 @@
<a href="//groups.google.com/group/golang-announce">golang-announce</a>
mailing list.
Each announcement mentions the latest release tag, for instance,
-<code class="versionTag">go1.8</code>.
+<code class="versionTag">go1.8.1</code>.
</p>
<p>