Don't start emergency call in background calling mode.

Bug: 74022483
Test: InCallPresenterTest
PiperOrigin-RevId: 194877539
Change-Id: If140d716a8019738e145c24cbaab3c03827662cb
diff --git a/java/com/android/incallui/InCallPresenter.java b/java/com/android/incallui/InCallPresenter.java
index 3020bf1..ccc5648 100644
--- a/java/com/android/incallui/InCallPresenter.java
+++ b/java/com/android/incallui/InCallPresenter.java
@@ -427,6 +427,9 @@
     if (dialerCall == null) {
       return false;
     }
+    if (dialerCall.isEmergencyCall()) {
+      return false;
+    }
 
     Bundle extras = dialerCall.getIntentExtras();
     boolean result = shouldStartInBubbleModeWithExtras(extras);