Fix App data usage screen header title changing after device orientation

- Chageed the title "App data usage" to "Mobile data & Wi-Fi"

Change-Id: I0fa00180eedda6be6189f871f9984ac164f9fb67
Fixes: 118770561
Test: visual & robotests
diff --git a/res/values/strings.xml b/res/values/strings.xml
index e435b65..c6c066e 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -8292,8 +8292,6 @@
     <!-- Summary describing external storage for applications [CHAR LIMIT=25] -->
     <string name="storage_type_external">External storage</string>
 
-    <!-- Title for data usage screen when entered from app info [CHAR LIMIT=30] -->
-    <string name="app_data_usage">App data usage</string>
     <!-- Summary for data usage preference [CHAR LIMIT=15] -->
     <string name="data_summary_format"><xliff:g id="size" example="30.00MB">%1$s</xliff:g> used since <xliff:g id="date" example="Jan 12">%2$s</xliff:g></string>
 
diff --git a/src/com/android/settings/datausage/AppDataUsageActivity.java b/src/com/android/settings/datausage/AppDataUsageActivity.java
index 2b8e42d..82a3a45 100644
--- a/src/com/android/settings/datausage/AppDataUsageActivity.java
+++ b/src/com/android/settings/datausage/AppDataUsageActivity.java
@@ -62,7 +62,7 @@
         args.putParcelable(AppDataUsage.ARG_APP_ITEM, appItem);
         intent.putExtra(EXTRA_SHOW_FRAGMENT_ARGUMENTS, args);
         intent.putExtra(EXTRA_SHOW_FRAGMENT, AppDataUsage.class.getName());
-        intent.putExtra(EXTRA_SHOW_FRAGMENT_TITLE_RESID, R.string.app_data_usage);
+        intent.putExtra(EXTRA_SHOW_FRAGMENT_TITLE_RESID, R.string.data_usage_app_summary_title);
 
         super.onCreate(savedInstanceState);
     }
diff --git a/src/com/android/settings/datausage/DataUsageList.java b/src/com/android/settings/datausage/DataUsageList.java
index 326b0d4..3369e5e 100644
--- a/src/com/android/settings/datausage/DataUsageList.java
+++ b/src/com/android/settings/datausage/DataUsageList.java
@@ -419,7 +419,7 @@
 
         new SubSettingLauncher(getContext())
                 .setDestination(AppDataUsage.class.getName())
-                .setTitleRes(R.string.app_data_usage)
+                .setTitleRes(R.string.data_usage_app_summary_title)
                 .setArguments(args)
                 .setSourceMetricsCategory(getMetricsCategory())
                 .launch();
diff --git a/src/com/android/settings/datausage/UnrestrictedDataAccessPreference.java b/src/com/android/settings/datausage/UnrestrictedDataAccessPreference.java
index 824c102..97ed5ac 100644
--- a/src/com/android/settings/datausage/UnrestrictedDataAccessPreference.java
+++ b/src/com/android/settings/datausage/UnrestrictedDataAccessPreference.java
@@ -82,7 +82,7 @@
         if (mDataUsageState.isDataSaverBlacklisted) {
             // app is blacklisted, launch App Data Usage screen
             AppInfoDashboardFragment.startAppInfoFragment(AppDataUsage.class,
-                    R.string.app_data_usage,
+                    R.string.data_usage_app_summary_title,
                     null /* arguments */,
                     mParentFragment,
                     mEntry);