Support to navigate by keys to abandoned changes

Added support to navigate by keys ('g' then 'a')
to the 'All abandoned changes' screen to make
this screen directly accessible by keys.

Change-Id: I0748f952c1ff6f0e377eb67833e6e0f18d291f0f
Signed-off-by: Edwin Kempin <edwin.kempin@gmail.com>
3 files changed