This reverts commit af4f1b41277ebdf0d7386cbd2903abc709cbc183. Reason for revert: Causes timeouts with loopback tests. Reverting and investigating. Original change's description: > Target SDK level 27 in AppRTCMobile. > > Implements the dynamic permission model required by the newer SDK and > changes the theme. > > Bug: webrtc:8803 > Change-Id: I3ea23a25b27f196fcffd018c7cdd2ff6255b62d9 > Reviewed-on: https://webrtc-review.googlesource.com/44400 > Commit-Queue: Sami Kalliomäki <sakal@webrtc.org> > Reviewed-by: Anders Carlsson <andersc@webrtc.org> > Cr-Commit-Position: refs/heads/master@{#21788} TBR=sakal@webrtc.org,andersc@webrtc.org Change-Id: I4074c48fc7c7466765793244a5a7f60029bc7937 No-Presubmit: true No-Tree-Checks: true No-Try: true Bug: webrtc:8803 Reviewed-on: https://webrtc-review.googlesource.com/45980 Reviewed-by: Sami Kalliomäki <sakal@webrtc.org> Commit-Queue: Sami Kalliomäki <sakal@webrtc.org> Cr-Commit-Position: refs/heads/master@{#21797}