add new method callShowLocked() method so that subclass is able to call showLocked() method

MIUI-9411

add new method callShowLocked() method so that subclass is able to call showLocked() method

Change-Id: If4eb980e49ab54c4122d2c4a2f2f223c9ba6c9e2
Ref-Id: Ia8df26276e1d4b8a6fedadd7a9e2fad96391a0c4
Fix the defect that auto-start mechanism cause null pointer crash.

N/A

Change-Id: I98fce1df57b472bebdf285355c4e555517cac7c5
Ref-Id: Ifa5abba8c209fe1b7398d0790bd60413a1a38f1d
update android src of [jellybean]

Change-Id: Ica2da3adac66e4c5d8ca41aa19d809a5f2f2322b
update android src of [jellybean]

Change-Id: I5ba268f3cc20f80cb8ac6321e867c2718d658f1d