Fix a Cursor leak

When cursor is done, the cursor must be closed to avoid cursor leak.

AOSP Merge: https://android-review.googlesource.com/#/c/57100/2

Change-Id: I627cf2c8a64a220d6fd104505b852daca0928190
Fix a Cursor leak

When cursor is done, the cursor must be closed to avoid cursor leak.

AOSP Merge: https://android-review.googlesource.com/#/c/56982/2

Change-Id: I5f750a6bb499f86d4c76da40d171e9edfe6981d2
Add missing back icon in action bar of Network Operator

Change-Id: I574557bb5cc91d24f17b9cc3a854a022c1ccadcb
PhoneApp: Initialize ToneGenerator when needed

Whenever there is a radio tech change, mSignalInfoToneGenerator
is released and never created. This leads to phone app crash later
when it is accessed for toneplay. This is fixed by creating the
instance (if null) before calling the APIs.

Bug: 8609102
Change-Id: Id9ebe6af5c1f92520ee5c2ca6efc4db335eb01f7
NetworkSettings: Cannot dismiss progress dialog sometimes.

When "Load Network List" dialog is shown, move
NetworkSettings activity to backgroud by pressing
HOME key. After several minutes, go to
NetworkSettings again. Network list is shown under
the progress dialog, but user cannot dismiss the
Progess dialog.

Steps to reproduce this issue:
1) Settings->wireless & networks->mobile networks;
2) Press "network operators";
3) "Searching" progress dialog is shown;
4) Press HOME key to return to home;
5) Wait several minutes;
6) Goto "network operators" activity again.

Expected result: "Searching" dialog is dismissed;
Actual result: "Searching" dialog is still shown.

Change-Id: Ib411a89be2bcf907e6cca4c1d5693f8445f2d681
Signed-off-by: Bin Li <libin@marvell.com>
Fix call target drawable misalignment for sw600-[m|h|xh]dpi.

For those resolutions, the framework ic_lockscreen_handle_pressed
drawable has a different resolutions. Use the same approach to fix it as
DeskClock: Just copy in the framework drawable for the supported
resolutions.

Change-Id: Ib00b1fb60e3966652ede3d3517c425fa2faf88de