Fix error in setVtSetting logic

Fix error in setVtSetting logic that was created
when ImsManager was refactored to move away
from static members.

Bug: 72676168
Test: Manual
Merged-In: I1f859deeb1a33ed488d4d5f4d025e96ddf20a5e0
Change-Id: Ia99f2dcbada5387bf07a1e1b345f1da31e1f14d6
diff --git a/src/java/com/android/ims/ImsManager.java b/src/java/com/android/ims/ImsManager.java
index 2a35fd3..2b34896 100644
--- a/src/java/com/android/ims/ImsManager.java
+++ b/src/java/com/android/ims/ImsManager.java
@@ -771,7 +771,7 @@
             if (enabled) {
                 log("setVtSetting(b) : turnOnIms");
                 turnOnIms();
-            } else if (isVolteEnabledByPlatform()
+            } else if (isTurnOffImsAllowedByPlatform()
                     && (!isVolteEnabledByPlatform()
                     || !isEnhanced4gLteModeSettingEnabledByUser())) {
                 log("setVtSetting(b) : imsServiceAllowTurnOff -> turnOffIms");