PhoneWindowManager: Changes for WFD.

- WFD now sends WIFI_DISPLAY_VIDEO intent to set UI orientation.
- PhoneWindowManager to listen for WFD intents.
- Display on WFD should be same as seen on the HDMI, so set the
  orientation to HDMI orientation

Conflicts:
core/java/android/content/Intent.java
policy/src/com/android/internal/policy/impl/PhoneWindowManager.java

Change-Id: I446ab768200f9b9f59759e52071bcaca7d6f836c