fix bug: M2在某些情况下进入短信后，短信内容无法输入

MIUI-7713

Change-Id: I382f2df4d37946dc79ca7b34cdb7d248f40bbe6c
Ref-Id: I6f46de2ff04b0c934b251e7cfa122ff1f9b65036
miui.shell: refactor the miui shell, start in installd run as system

N/A

Ref-Id: Id905c9acba7489ea91b196ae3fe3b9004d5ad4bf

Conflicts:

Android.mk
cmds/installd/shell.c

Conflicts:

Android.mk
cmds/installd/service.c

Change-Id: Id0ffe2329e83eeef2f05afa8bed3985139f3720d
add overscroll sping function for list view

N/A

Change-Id: Ieeda01575f411db931171607312bfb5f15e83d0d
Ref-Id: I23fd5b3b0a9250865b6bb4e60c3e12aaea50e3df
spring back when list view end fling

Change-Id: Iffaac3eb20cccd050715b256010d32835963d575
add flag for show floating window

N/A

Change-Id: I9742044bfe4fb51eccb0e2a1330a939757a4d88f
Ref-Id: Ibdee456129878ee1a2e6dae95b577bdb0d2790e1
fix a access bug

Change-Id: Ibccfe316ee1e98fd9915b54de8a1785b9475e018
change method access

Change-Id: I561e38dce98a7d69dc671cd8f5cd53a5b90de5dc
update android src of [jellybean]

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

Change-Id: I5ba268f3cc20f80cb8ac6321e867c2718d658f1d
update android src of [jellybean]

Change-Id: I6b586053e39cedb0c0522abe71e6fb02784f75eb
update android src of [jellybean]

Change-Id: I3d5363847dffcd2cf8bc4069f4b69a0c1e2dbebb
update android src of [jellybean]

Change-Id: I562bb35c166777d60cd3506ab383566ac749c4aa
update android src of [jellybean]

Change-Id: I4296cdf4a867d0953a1e60600040098e75f572a3