Update prebuilts to go1.8rc2 ab/3654939

Test: m -j blueprint_tools
Change-Id: I4b7de658b66bbc9103adfb4e2b31fb08deef9c70
diff --git a/doc/install.html b/doc/install.html
index 2143d59..6bff75c 100644
--- a/doc/install.html
+++ b/doc/install.html
@@ -250,7 +250,7 @@
 $ <b>go build</b>
 </pre>
 
-<pre class="testWindows" style="display: none">
+<pre class="testWindows">
 C:\&gt; <b>cd %USERPROFILE%\go\src\hello</b>
 C:\Users\Gopher\go\src\hello&gt; <b>go build</b>
 </pre>
@@ -267,7 +267,7 @@
 hello, world
 </pre>
 
-<pre class="testWindows" style="display: none">
+<pre class="testWindows">
 C:\Users\Gopher\go\src\hello&gt; <b>hello</b>
 hello, world
 </pre>