[url_launcher_platform_interface] Add webOnlyWindowName parameter to …

…launch() (flutter#2974)

[share] Add sharing file support (android & ios) (flutter#970)


Co-authored-by: Kifah Meeran <[email protected]>
Co-authored-by: Aloïs Deniel <[email protected]>
Co-authored-by: Colin Stewart <[email protected]>

[integration_test] add support to get timeline (flutter#2947)

[battery_platform_interface] Introduce package. (flutter#2975)

[integration_test] Fix channel name for iOS, docs (flutter#2972)

fix setWithOthers test

[video_player_platform_interface] fix `setMixIWithOthers` test channel (

flutter#2968)

Add README instructions for enablePendingPurchases (flutter#2921)

Add README instructions for enablePendingPurchases.

If a developer attempts to access this plugin on Android without invoking enablePendingPurchases, an exception is thrown.

Related StackOverflow post:
https://stackoverflow.com/questions/60046903/flutter-in-app-purchase-enablependingpurchases-enablependingpurchases-must

Updating documentation to use isEmpty check. (flutter#2955)

The value returned is never null. This is already done correclty in the
example app.

Co-authored-by: Dan Field <[email protected]>

[path_provider, video_player] Tweak pubspecs to pass bulk analysis. (f…

…lutter#2959)