Apollo: fix a race condition when two fingers are on the screen

* unconditionally allow begin fake drag when the on touch down
JIRA: BUGDUMP-820

Change-Id: I67824ec6d01011907ff763bb0dc23362d753ac4c
Apollo: Correctly handle opening invalid files.

In that case, mCurrentPlayer is invalid, which means setNextDataSource()
shouldn't be called for it.

JIRA: BUGDUMP-1050
Change-Id: Ia8215c3643b1eb7f8b5786eeb8267340b673939c
Build fix.

Change-Id: I44f972d13686231103199db622b91afdacefb352
apollo: ensure that the current cursor is opened

JIRA: BUGDUMP-21562
https://jira.cyanogenmod.org/browse/BUGDUMP-21562
Signed-off-by: Jorge Ruesga <jorge@ruesga.com>

Change-Id: Ib808e074145bf3dfc1686ec32a3168d2e46fc515
apollo: fix typo in sort order key

JIRA: BUGDUMP-21136
https://jira.cyanogenmod.org/browse/BUGDUMP-21136
Signed-off-by: Jorge Ruesga <jorge@ruesga.com>

Change-Id: I102e2b9766eed4bf84251789fee87f9008660edc
apollo: extract song list from adapter instead from a new cursor

Creating a new song list cursor could differ from the current adapter data, so is
better to create the song list from the current viewable data, otherwise it could
lead in a AIOOB.

JIRA: BUGDUMP-21770
https://jira.cyanogenmod.org/browse/BUGDUMP-21770
Signed-off-by: Jorge Ruesga <jorge@ruesga.com>

Change-Id: Icec7bb9b377b467fa7009122facc2e7205348ba0
apollo: remove handler messages prior to kill the player

JIRA: BUGDUMP-21233
https://jira.cyanogenmod.org/browse/BUGDUMP-21233
Signed-off-by: Jorge Ruesga <jorge@ruesga.com>

Change-Id: I3b5ac41079ce066a69e9338da6d6e895af6eadb3