4617 [path_provider] Switch Android to an internal method channel (p: path_provider, platform-android)

4637 [path_provider] Fix Android compatibility with 2.5 (p: path_provider, platform-android)

p: video_player - 13 pull request(s)

2758 [video_player] Update texture on seekTo (cla: yes, p: video_player, platform-ios, last mile)

3407 [video_player]: initial test coverage file() constructor api (cla: yes, waiting for tree to go green, p: video_player, last mile)

4488 [video_player] Don’t restart when scrubbing to end (cla: yes, waiting for tree to go green, p: video_player)