36394 Add missing protobuf dependency (cla: yes, tool)

36413 Revert “Roll engine f3482700474a..1af19ae67dd1 (4 commits)” (cla: yes, engine)

PRs closed in this release of flutter/engine

From Wed May 1 16:56:00 2019 -0700 to Thu Jul 18 08:04:00 2019 -0700

7847 Extracted PlatformViewsChannel from PlatformViewsController. (cla: yes)

8207 Text inline widget LibTxt/dart:ui implementation (cla: yes)

8596 Expose API to decode images to specified dimensions (cla: yes)

8685 Platform_views gesture: let flutter view controller be the media to pass the touches. (cla: yes)