Adds modules/utility to test/DEPS.
Adds modules/utility to test/DEPS.

This will be used in an upcoming CL.

Bug: webrtc:10365
Change-Id: Ic5f44fdb7579de994dd0896116573de6a46dfc00
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/128401
Commit-Queue: Sebastian Jansson <c24d1bc144eb7c11e553f59153fa17dba85ca83e@webrtc.org>
Reviewed-by: Per Kjellander <ec3efbb37602a1ca89f5fcf018e3a9e25086611a@webrtc.org>
Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#27211}
TimothyGu/libilbc,TimothyGu/libilbc,ShiftMediaProject/libilbc,TimothyGu/libilbc,TimothyGu/libilbc,ShiftMediaProject/libilbc,TimothyGu/libilbc,ShiftMediaProject/libilbc,ShiftMediaProject/libilbc,ShiftMediaProject/libilbc