update SystemUI's proguard.flags

Change-Id: I5aa73eddd3fea6cddeddaf94e202d8de870e7df5
Missing break in switch statement

Change-Id: I1b7e7a94df8d39e162050911e31e510d2ce5447e
Remove useless code
Javacrash java.lang.NullPointerException in com.android.browser.

Provide a WebView interface in WebSettings, for BrowserSettings need to access it.

Change-Id: I8a4b9c9a746c9c0b2a1a6adec35943de9fb2f9b0
Author: Yijun Zhu <yijunx.zhu@intel.com>
Signed-off-by: Yijun Zhu <yijunx.zhu@intel.com>
Signed-off-by: Shuo Gao <shuo.gao@intel.com>
Signed-off-by: Bruce Beare <bruce.j.beare@intel.com>
Signed-off-by: Jack Ren <jack.ren@intel.com>
Author-tracking-BZ: 34962
AbsListView: Fix to consider adapter's areAllItemsEnabled

ListAdapter offers areAllItemsEnabled to indicate if all items
are selectable and if so, there isn't any need to check the
specific item's selectability. Fix AbsListView to give first
preference to areAllItemsEnabled.

Change-Id: I5d0b48765a5594099c8b2b6ba29f8476e636b246
ShutdownThread: Turn screen on during shutdown

Screen should wake up from low power mode during shutdown,
to notify the user that the phone is shutting down.
This will result in better user experience.

Orig-Change-Id: I06b2c5c7a56795a65c6f49470d9b68b03b65c669

Change-Id: I265cfbb939e1109fbba609b133bcc3f418ef0bcd
Signed-off-by: Pavan Kumar S <pavan.kumar.s@intel.com>
Signed-off-by: Jian Luo <jian.luo@intel.com>
Signed-off-by: Bruce Beare <bruce.j.beare@intel.com>
Signed-off-by: Jack Ren <jack.ren@intel.com>
Author-tracking-BZ: 103672