Fix NPE in endCallClicked

Save the call id before setting disconnect state in case a state change
callback causes the primary call object to be cleared.

Bug:19893538
Change-Id: Ib6583bfb25023bf514ee073e4970b18844d8561b
1 file changed
tree: 22e13cde109c336a63de34db640a44ad64ebb74e
  1. InCallUI/