* Revert "add Podfile (#9835)"

This reverts commit 74e65675.

* Revert "update ref to url_launcher plugin in Flutter Gallery (#9833)"

This reverts commit 30c49781.

* Revert "Use url_launcher plugin in Flutter Gallery (#9751)"

This reverts commit 02dfd6be.

Eagerly initialize libnotify by accessing the current date. See dart-lang/sdk#29539 for details.

Fixes #9727.

Enable plugin infra for both iOS and Android post-#9791.

Enable plugin infra for both iOS and Android post-#9791.

Enable plugin infra for both iOS and Android post-#9791.

* Minor grammar fixes.

* Update README.md

Trivial doc typo.

* Remove all initial cocoapod traces from flutter create except Podfile

* Make updateXcodeGeneratedProperties parameters named

* review notes

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This reverts commit 9f5fa31e.

Brings hello_world and flutter_gallery Android code in line with the
corresponding iOS code.

Also, I had a question about flutter_test matchers and our style guide
says that when I have a question I should update the docs so I did
that and then got a bit carried away.

See https://github.com/flutter/flutter/issues/9726; for some reason
the markdown in this file is getting misinterpreted.

Fixes #9757

Fixes https://github.com/flutter/flutter/issues/9342

* Revert "Revert "Don't try to resolve CocoaPods unless project has plugins" (#9719)"

This reverts commit f739e9e0.

* Remove channels integration test’s partial cocoapods artifacts

Fixes https://github.com/flutter/flutter/issues/7988