Handle invalid PhoneAccountHandle component name in MissedCallNotifier

Bug: 66946794
Test: MissedCallNotifierTest
PiperOrigin-RevId: 172007792
Change-Id: I14a2c0b6a5ad5a5b8acd449214c91bff68282b6a
diff --git a/java/com/android/dialer/app/calllog/MissedCallNotifier.java b/java/com/android/dialer/app/calllog/MissedCallNotifier.java
index 8a986dc..f50751e 100644
--- a/java/com/android/dialer/app/calllog/MissedCallNotifier.java
+++ b/java/com/android/dialer/app/calllog/MissedCallNotifier.java
@@ -260,9 +260,11 @@
       if (call.accountComponentName == null || call.accountId == null) {
         continue;
       }
-      PhoneAccountHandle phoneAccountHandle =
-          new PhoneAccountHandle(
-              ComponentName.unflattenFromString(call.accountComponentName), call.accountId);
+      ComponentName componentName = ComponentName.unflattenFromString(call.accountComponentName);
+      if (componentName == null) {
+        continue;
+      }
+      PhoneAccountHandle phoneAccountHandle = new PhoneAccountHandle(componentName, call.accountId);
       PhoneAccount phoneAccount = telecomManager.getPhoneAccount(phoneAccountHandle);
       if (phoneAccount == null) {
         continue;