GN: Update tests to have the correct shard timeout value on Android.

TBR=mflodman@webrtc.org
NOTRY=True

Review-Url: https://codereview.webrtc.org/2231413002
Cr-Original-Commit-Position: refs/heads/master@{#13741}
Cr-Mirrored-From: https://chromium.googlesource.com/external/webrtc
Cr-Mirrored-Commit: 714dd4e532752fcf46efea3370dcefbb4b9575d6
10 files changed