VENDOR PAC Replace s2ve/s2vep adds/removes with patches

Change-Id: Ic15a1ff1d5a2cccfaef49e44df0af5b81c51fbbf
Update PAC's Wallpaper

Change-Id: I76e476c34fb4ffcf4ca5f031692365006024d444
Signed-off-by: Lokesh Chamane <lokesh.c703@gmail.com>
VENDOR PAC Fix typo

Change-Id: Ibdcce44791d0695ec2560e1b189072ea15528988
cherries.sh: Check if patch has already been applied.

If the last commit is the same as the patch, do not patch again.
PS2:  download patch silently only once
PS3:  add advisory message
PS4:  LUKASZ ocd kicked in ...
PS5;  Trim advisory message

Change-Id: I171c21acb5da5cae0d2cd4c22d05c17f02717711