Rename "Wi-Fi AP" QS tile to "Wi-Fi hotspot"

Change-Id: Iaa182e5dda2be940fbfd13d6410db327ed08a18c

Conflicts:

	packages/SystemUI/res/values/cm_strings.xml
symbols: Remove duplicate symbol

* Also move intrusive notification LED symbol to the correct place

Change-Id: I0360f3faf08c1d36b47262dca596b2a48481826e