PBAP: Check for null in isNameMatchTarget

Bug: 62361842
Test: make, PTS test by vendor
Change-Id: Ie9861931c93cb0ff26f86a2fdfa5aa1e3083d81a
diff --git a/android/app/src/com/android/bluetooth/pbap/BluetoothPbapObexServer.java b/android/app/src/com/android/bluetooth/pbap/BluetoothPbapObexServer.java
index 4aeea0e..d112bfd 100644
--- a/android/app/src/com/android/bluetooth/pbap/BluetoothPbapObexServer.java
+++ b/android/app/src/com/android/bluetooth/pbap/BluetoothPbapObexServer.java
@@ -478,6 +478,7 @@
     }
 
     private boolean isNameMatchTarget(String name, String target) {
+        if (name == null) return false;
         String contentTypeName = name;
         if (contentTypeName.endsWith(".vcf")) {
             contentTypeName = contentTypeName