This is due to a known failure: state/focus1.ui passes in a desktop
session but fails in a minimal autopkgtest VM. Treating one test as
flaky seems better than treating all tests as flaky.
* Sync with ubuntu:
* debian/rules: Make test failures fatal again
* debian/libgtk-3-0.symbols: Updated
* debian/rules: Update build-depends
* debian/libgtk-3-bin.install: Add gtk-launch: A new commandline utility
to launch an application from its desktop file
* Add autopkgtest support
* debian/patches/072_statusicon_icon_size.patch:
* Removed merged upstream
* debian/patches/074_try-harder-to-discriminate-Shift-F10-and-F10.patch:
* Removed, fixed upstream
* debian/patches/073_transparent_colors.patch
* Removed, fixed upstream
* debian/control.in: bump glib2.0 build-dep to >= 2.33.14 to trump the dodgy
version in unstable