Add clear all recents action to recents panel

Change-Id: I2243ebc83abc483e78b112900a653d7e61edc5ba
fix for screenshot animation glitch in portrait

edits by Stefano Semeraro aka Suxsem.

Change-Id: I7a03a24c5b1bfdfe616f940b2bd7be42091f45a6
fb: add back all keyboard IME features back (1/2)

this commit adds:

- ime switcher notification - thanks cm
- slims fullscreen disable on landscape
- slims force autorotation on IME
- volume button control for navigate in the message - thanks cm
- slims force to show always enter key

some fixes to the 4.2/4.3 implementations + added full multiuser
support for all this features

cheers

Change-Id: I71e93c39620cc171e658b2d7e26491bac97c651d
Fix - place Clear Recents button above the nav bar

Change-Id: Ie7059cd1f71bae28ff25f367221b7c7ba0131932
Fix up 'clear recents' UX.

Use the 'dismiss all' button drawable and place the button in the upper
right corner. Doing so fixes the broken animation when going into
recents.

Change-Id: I497a8b023f1872c5f9ae5df87af6ed2159e6b7b1
SystemUI: various fixes to data type display

- Hide data type when Wi-Fi is in use (CAF bug)
- Display "!" when data is disabled (CAF bug)
- Display type in QS when Wi-Fi is connected to captive portal (AOSP bug)

CAF bug was introduced in 228bccb9d9eaabf9b3884500e4351fa5091be5aa

The proper logic is described at https://android.googlesource.com/platform/frameworks/base/+/23dd176

Change-Id: I7a34077d604c66c357809c634fe64c570a16e260
SystemUI: MSim: hide subs label on KeyGuard

This is already displayed on the top-left corner

Change-Id: If671e7875693143a721f37cd090aa28b2512800e
SystemUI : Fix clear app data crash in recents panel

Change-Id: I78d48fae2ba6ac9727d4997e24af8e4b134950ab