Add QS auto default and recents tasks limit
QS also apply for status bar expand
Revert "Process all display events in order"

This reverts commit bf1171cdce0f202c0fa866d508ad90aae150d48d.
Fix a number of multi-user bugs.

original commit: https://github.com/CyanogenMod/android_frameworks_base/commit/07bd77415e60cf74da6321fba7a61a2b426b295a