Update mojo sdk to rev b737c0531e299ad494725c518699843e76ff84f5

Incorporates changes from https://codereview.chromium.org/849133003/ to adapt
to API changes in surfaces and ConnectToApplication.

[email protected], [email protected]

Review URL: https://codereview.chromium.org/858603002

Cr-Commit-Position: refs/heads/master@{#312096}
92 files changed