Use two stacks for non multiwindow activities

This back to original Android solution, where one stack is for home
and second is for non home applications.

Change-Id: Ief32976325033bdce841c2bfe9b6a97ab814a1a5
Signed-off-by: Dariusz Kluska <dariusz.kluska@tieto.com>
Merge "Use two stacks for non multiwindow activities" into tieto/jabol
Allow window to have content outside the screen

Change-Id: Id833d62c923453d74cc34dea429433f91b6a049b
Signed-off-by: Dariusz Kluska <dariusz.kluska@tieto.com>
Merge "Allow window to have content outside the screen" into tieto/jabol
Make space for multiwindow decor

Add margin to DecorView in PhoneWindow. It makes place for multiwindow
decor.

Change-Id: I2ec904f01be1e490a8d3928ea063fac5d19edf7f
Signed-off-by: Dariusz Kluska <dariusz.kluska@tieto.com>
Merge "Make space for multiwindow decor" into tieto/jabol