3043 [android_intent] Android Code Inspection and Clean up (cla: yes)

3044 [image_picker] Updated README.md with new example (cla: yes)

3046 Move files to match the directory conventions of package:integration_test (cla: yes)

3049 [path_provider] Path provider windows updates (cla: yes)

3050 [flutter_plugin_android_lifecycle] update to android 29 (cla: yes)

3051 [connectivity] Android Code Inspection and Clean up (cla: yes)

3052 [path_provider] Add missing pluginClass: none to path_provider_windows (cla: yes)

3054 [Connectivity] Fix mistake in license headers (cla: yes)

3055 [path_provider] Fix mistake in license headers (cla: yes)