CRAS: libcras: update generated rust bindings

Adds cras_shm.h to the list of headers that have generated bindings, and
updates the generated rust code to reflect recent changes to the interface.

BUG=chromium:968724
TEST=builds, basic playback with cras_tests

Cq-Depend: chromium:1663170
Change-Id: I7bd904c5fdd33d689a47261f56102884c1fa1725
Reviewed-on: https://chromium-review.googlesource.com/1678733
Tested-by: Fletcher Woodruff <fletcherw@chromium.org>
Commit-Ready: Fletcher Woodruff <fletcherw@chromium.org>
Legacy-Commit-Queue: Commit Bot <commit-bot@chromium.org>
Reviewed-by: Chih-Yang Hsia <paulhsia@chromium.org>
3 files changed