Update handover failed constant name.

Update the name of the emergency call handover failure cause.

Bug: 74831393
Test: Manual
Merged-In: Iac9c4562ac20b793fcea4fd38783e446892bef4d
Change-Id: Iac9c4562ac20b793fcea4fd38783e446892bef4d
(cherry picked from commit 46719f1afe482114790e19179925b65ada86f386)
1 file changed