Mms: findPart may still be null

This partially reverts 2757db88a16af8197243025a9393367a6ebba3e1 commit, because
pb.getPartByContentId("<" + src + ">"); may return null. Throw the old IllegalArgumentException
if this happens.

Change-Id: Iaa2dbfb6d872d5e34908d5835ec5112ff965561d
JIRA: CYAN-2100
Issue: https://jira.cyanogenmod.org/browse/CYAN-2100
Signed-off-by: Jorge Ruesga <jorge@ruesga.com>
Don't show quick message popup over secure lockscreen.

Doing so allows bypassing the lockscreen.

Change-Id: I8a49395954ba1e50415285531ebe75e2c4343c1c
Mms: Fix QuickMessage mdpi/hdpi layouts

Change-Id: I0454e39ff11fa5927dafce3bac25c96398a9e656
JIRA: CYAN-1605
Issue: https://jira.cyanogenmod.org/browse/CYAN-1605
Signed-off-by: Jorge Ruesga <jorge@ruesga.com>
Mms: Fix QuickMessage mdpi/hdpi layouts

Fix https://jira.cyanogenmod.org/secure/attachment/12587/Screenshot_2013-09-15-22-59-37.jpg

Change-Id: I42131b0f997edb8f3ddbec758d861cd70f816b16
JIRA: CYAN-1605
Issue: https://jira.cyanogenmod.org/browse/CYAN-1605
Signed-off-by: Jorge Ruesga <jorge@ruesga.com>
Merge branch 'cm-10.1' into martincz