system_sounds: Turn on SystemSounds flag.

Make it enabled for M113.

Bug: b/258826086
Change-Id: I7a4a8705d3217650e3a229082c4019b822c94f44
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4348518


Commit-Queue: Hongyu Long <hongyulong@chromium.org>
Reviewed-by: Daniel Andersson <dandersson@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1118864}