Update prebuilts to go1.9rc1 ab/4215840
Test: m -j blueprint_tools
Change-Id: I6e92d224c7b1185c0813593ab11403ef50017916
diff --git a/doc/install.html b/doc/install.html
index 6bff75c..7f32f68 100644
--- a/doc/install.html
+++ b/doc/install.html
@@ -33,7 +33,7 @@
<h2 id="requirements">System requirements</h2>
<p>
-Go binary distributions are available for these supported operating systems and architectures.
+Go <a href="https://golang.org/dl/">binary distributions</a> are available for these supported operating systems and architectures.
Please ensure your system meets these requirements before proceeding.
If your OS or architecture is not on the list, you may be able to
<a href="/doc/install/source">install from source</a> or
@@ -47,10 +47,10 @@
<th align="center">Notes</th>
</tr>
<tr><td colspan="3"><hr></td></tr>
-<tr><td>FreeBSD 8-STABLE or later</td> <td>amd64, 386</td> <td>Debian GNU/kFreeBSD not supported</td></tr>
-<tr><td>Linux 2.6.23 or later with glibc</td> <td>amd64, 386, arm, s390x, ppc64le</td> <td>CentOS/RHEL 5.x not supported</td></tr>
-<tr><td>Mac OS X 10.8 or later</td> <td>amd64</td> <td>use the clang or gcc<sup>†</sup> that comes with Xcode<sup>‡</sup> for <code>cgo</code> support</td></tr>
-<tr><td>Windows XP or later</td> <td>amd64, 386</td> <td>use MinGW gcc<sup>†</sup>. No need for cygwin or msys.</td></tr>
+<tr><td>FreeBSD 9.3 or later</td> <td>amd64, 386</td> <td>Debian GNU/kFreeBSD not supported</td></tr>
+<tr valign='top'><td>Linux 2.6.23 or later with glibc</td> <td>amd64, 386, arm, arm64,<br>s390x, ppc64le</td> <td>CentOS/RHEL 5.x not supported.<br>Install from source for other libc.</td></tr>
+<tr><td>macOS 10.8 or later</td> <td>amd64</td> <td>use the clang or gcc<sup>†</sup> that comes with Xcode<sup>‡</sup> for <code>cgo</code> support</td></tr>
+<tr><td>Windows XP SP2 or later</td> <td>amd64, 386</td> <td>use MinGW gcc<sup>†</sup>. No need for cygwin or msys.</td></tr>
</table>
<p>
@@ -222,8 +222,7 @@
Create your <a href="code.html#Workspaces">workspace</a> directory,
<code class="testUnix">$HOME/go</code><code class="testWindows">%USERPROFILE%\go</code>.
(If you'd like to use a different directory,
-you will need to set the <code>GOPATH</code> environment variable;
-see <a href="code.html#Workspaces">How to Write Go Code</a> for details.)
+you will need to <a href="https://golang.org/wiki/SettingGOPATH">set the <code>GOPATH</code> environment variable</a>.)
</p>
<p>