Prevent lock/unlock sound during music playback

Lock/unlock sound mixes in with music and causes
lag and distortion.

Change-Id: I9d3582c6bf28aa62a5a6712bc9e89eb2f73e0288
Make ImageView drawable update more efficient in some cases.

When updating the view's drawable via setImageResource or setImageURI,
make sure to skip the layout pass if the old and new drawable have equal
sizes. This follows what is already done for setDrawable().

Change-Id: If73d225e38d0a2f7c616c4aeb33f67bdaed390f1
Show confirmation for deleted screenshot.

Change-Id: I4a36cf06bf252e5e15fe08fbd054dc64a0a507ae

Conflicts:
	packages/SystemUI/res/values/cm_strings.xml
Appears black screen fix for a while

This issue is side-effect of added google patch on KK MR1.

Fix a couple of issues with mOpeningApps.
https://android.googlesource.com/platform/frameworks/base/+/a8ee262c04749db4f32f73d2b9e7f58989c4638b%5E%21/#F0

[Reproduce path]
Settings -> Location -> Location OFF -> Location ON -> "Location consent Dialog" Popup-> "Agree btn" press
-> Black screen appears for a while

Change-Id: I14efdce87e8d78d38f9aae48568f69937e4fe1fa
Keyguard: don't refresh ui when screen off

KeyguardStatusView is doing refresh all the time,
which cause high power when screen off.

Change-Id: Ifabdde4419a23e919cd52fe77e78ec3160575af1