webrtc: Suppress a -Wunreachable-code warning on Android.
webrtc: Suppress a -Wunreachable-code warning on Android.

Bug: chromium:346399
Change-Id: Ie67cb36f96acd1ce752a274f309453be65fd83e9
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/171640
Commit-Queue: Nico Weber <c0f02d98506190746d1cdcb01be0f37b51e27077@chromium.org>
Reviewed-by: Sebastian Jansson <c24d1bc144eb7c11e553f59153fa17dba85ca83e@webrtc.org>
Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#30879}

TimothyGu/libilbc,TimothyGu/libilbc,ShiftMediaProject/libilbc,ShiftMediaProject/libilbc,ShiftMediaProject/libilbc,TimothyGu/libilbc,TimothyGu/libilbc,ShiftMediaProject/libilbc,TimothyGu/libilbc,ShiftMediaProject/libilbc