Fix CTS Report Phone Number Display

The key expected by the XML is "subscriberId" not "phoneNumber"...

Change-Id: I5199cfcf16dd2381516147f6adb3ef9a14c9fca3
diff --git a/tools/device-setup/TestDeviceSetup/src/android/tests/getinfo/DeviceInfoConstants.java b/tools/device-setup/TestDeviceSetup/src/android/tests/getinfo/DeviceInfoConstants.java
index dd9681a..c06c21e 100644
--- a/tools/device-setup/TestDeviceSetup/src/android/tests/getinfo/DeviceInfoConstants.java
+++ b/tools/device-setup/TestDeviceSetup/src/android/tests/getinfo/DeviceInfoConstants.java
@@ -30,7 +30,7 @@
     public static final String OPEN_GL_ES_VERSION = "openGlEsVersion";
     public static final String PROCESSES = "processes";
     public static final String FEATURES = "features";
-    public static final String PHONE_NUMBER = "phoneNumber";
+    public static final String PHONE_NUMBER = "subscriberId";
     public static final String LOCALES = "locales";
     public static final String IMSI = "imsi";
     public static final String IMEI = "imei";