Merge #6374 #6387
6374: For #5866: Don't crash when failed to launch new window request in custom tab r=jonalmeida a=rocketsroger 6387: Fixes #6386 - Import v9.0.0 sources r=jonalmeida a=miketaylr https://github.com/mozilla-mobile/android-components/issues/6386 https://bugzilla.mozilla.org/show_bug.cgi?id=1624694 Co-authored-by:Roger Yang <royang@mozilla.com> Co-authored-by:
Mike Taylor <miket@mozilla.com>