Invoke LightCycle viewer for panoramas.

1. Add SUPPORT_PANORAMA_VIEW to supported operations.
2. Add helper methods in LightCycleHelper:
  a. checks if the image file is a panorama.
  b. invokes the panorama view activity.

bug:6912297
Change-Id: I7909e49632cad02a795943a113bca6aec17df9dd
4 files changed