Merge "Fix NPE"
am: 78658058dc

Change-Id: Iab42549310f6fdc6154c57a77721073a414215a2
diff --git a/telephony/java/android/telephony/PhoneNumberUtils.java b/telephony/java/android/telephony/PhoneNumberUtils.java
index f03a9dc..af3ba5e 100644
--- a/telephony/java/android/telephony/PhoneNumberUtils.java
+++ b/telephony/java/android/telephony/PhoneNumberUtils.java
@@ -217,6 +217,9 @@
         }
 
         String scheme = uri.getScheme();
+        if (scheme == null) {
+            return null;
+        }
 
         if (scheme.equals("tel") || scheme.equals("sip")) {
             return uri.getSchemeSpecificPart();