Add a PRESUBMIT test to make sure new valgrind runtime dependencies are
listed in tools_webrtc/valgrind/valgrind-webrtc.gni, so that they are
isolated and uploaded to swarming.
TBR=phoglund@webrtc.org
Bug: webrtc:7249
Change-Id: I090b790da0b6dd7c1e76c20f96e40df9000cbd62
Reviewed-on: https://webrtc-review.googlesource.com/42740
Commit-Queue: Edward Lemur <ehmaldonado@webrtc.org>
Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#21933}