Removes stopPing from onSaveInstanceState()

- I don't think it makes sense to do any processing in
  onSaveInstanceState() as we are already stopping the ping in
  onWindowVisibilityChanged.

- onSaveInstanceState() should solely deal with saving app states
  anyway.

Bug: 11156202
Change-Id: If2b17bd10b455899703aa2c8f9d15f04a9bea22f
3 files changed
tree: 50da153126e4f1b11ec91c77ebbb4fcd91b0ddcf
  1. InCallUI/