Moving adb_shell script to tools-webrtc
Moving adb_shell script to tools-webrtc

BUG=webrtc:7030

Review-Url: https://codereview.webrtc.org/2650653005
Cr-Original-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#16260}
Cr-Mirrored-From: https://chromium.googlesource.com/external/webrtc
Cr-Mirrored-Commit: 630f46a31e7b7f64c92815ca9762128c90a9591c

Alkalyne/webrtctrunk,Alkalyne/webrtctrunk,Alkalyne/webrtctrunk,Alkalyne/webrtctrunk,Alkalyne/webrtctrunk,Alkalyne/webrtctrunk,Alkalyne/webrtctrunk,Alkalyne/webrtctrunk