Add missing readString in call log restore.

The restore process was missing a "readString" which caused
restore to fail.

Test: Backup call log, factory reset, restore from backup.
Fixes: 129934589
Merged-In: I0690feff54c73fc1a0843c6da1a6c46d45bf2d4e
Change-Id: I0690feff54c73fc1a0843c6da1a6c46d45bf2d4e
(cherry picked from commit b2cd821b472e982198f66a71f2e4aaa5f8854cfa)
diff --git a/src/com/android/calllogbackup/CallLogBackupAgent.java b/src/com/android/calllogbackup/CallLogBackupAgent.java
index 0cee3f2..ca0613b 100644
--- a/src/com/android/calllogbackup/CallLogBackupAgent.java
+++ b/src/com/android/calllogbackup/CallLogBackupAgent.java
@@ -383,6 +383,7 @@
                 readString(dataInput);
                 readString(dataInput);
                 readString(dataInput);
+                readString(dataInput);
                 readInteger(dataInput);
             }
             return call;