camera: Video HDR mode

 * Add option for video HDR mode.
 * Some cameras claim to support it, but spontaneously combust when
   enabled, so we'll disable it by default.

Change-Id: Ib17ff4cbb0007440ddc994889b8c2242d4d07e43
camera: Add support for high frame rate video

 * If the camera supports HFR for the WVGA profile, use it.

Change-Id: I3ba03239b66482af36010b75f6827ad9a5b28d30

Conflicts:
	res/values/cm_strings.xml
	src/com/android/camera/VideoModule.java