Update the Erlang wrapper URL.

Change-Id: Ia0a3dfe831e58383d717cf784f4509784480861d
Reviewed-on: https://code-review.googlesource.com/c/38310
Reviewed-by: Paul Wankadia <junyer@google.com>
(cherry picked from commit 79ef3b2d31f06493f687ef9e947d9632bad54b9b)
Reviewed-on: https://code-review.googlesource.com/c/38311
1 file changed