Revert "Revert "Path fix for backend connection to FE upon call disconnection""

This reverts commit deda7a6f0cb5d54125481fa237fb3f40f40b808c.

Plus correction of initial patch for issue 31340149.

Bug: 29316883
Change-Id: Ic44e25c744489e5ff3f2fdbcc7d6c9de208c1a14
1 file changed