add redirect for URL hard-coded into the default proguard config file, and...
add redirect for URL hard-coded into the default proguard config file, and update related redirects for the entire /guide/developing/ path. am: 3bd0cec4 am: fc7cc27a
am: 87d99774
Change-Id: I0e9816ee026a9acf703d551173e272f45fc36c31