Merge "Fix NPE in DialerCall that cause it crash and failed to show disconnection error message." am: 5d01ebb84a am: e2eb24bd29 am: a31d71bd34

Original change: https://android-review.googlesource.com/c/platform/packages/apps/Dialer/+/1671906

Change-Id: Ic6cbd99e9daf9d0c34ab01da72b185571db36cbd