Update settings homepage summary text.

- add prefix to storage summary
- update Sound summary to upper case DND
- update System summary text to add time.

Change-Id: Ic0c66c0fefee1a1f1556775d82b5431bbae73600
Bug: 36375846
Test: builds
diff --git a/res/values/strings.xml b/res/values/strings.xml
index 8e381f8..fc52696 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -6054,9 +6054,7 @@
     handle actions such as open web page, making phone calls, default SMS apps [CHAR  LIMIT=40]-->
     <string name="app_default_dashboard_title">Default apps</string>
     <!-- Summary text for system preference tile, showing important setting items under system setting [CHAR LIMIT=NONE]-->
-    <string name="system_dashboard_summary" product="default">Languages, backup, updates, about phone</string>
-    <!-- Summary text for system preference tile, showing important setting items under system setting [CHAR LIMIT=NONE]-->
-    <string name="system_dashboard_summary" product="tablet">Languages, backup, updates, about device</string>
+    <string name="system_dashboard_summary">Languages, time, backup, updates</string>
 
     <!-- Search strings -->
     <!-- Text to describe the search results fragment title [CHAR LIMIT=16] -->
@@ -6147,7 +6145,7 @@
     <string name="sound_settings_summary">Ring volume at <xliff:g id="percentage" example="2%">%1$s</xliff:g></string>
 
     <!-- Summary for sound settings, explaining a few important settings under it [CHAR LIMIT=NONE]-->
-    <string name="sound_dashboard_summary">Volume, vibration, Do not disturb</string>
+    <string name="sound_dashboard_summary">Volume, vibration, Do Not Disturb</string>
 
     <!-- Sound: Dashboard summary indicating the volume of ringtone when at 0% with vibrate enabled. [CHAR LIMIT=100] -->
     <string name="sound_settings_summary_vibrate">Ringer set to vibrate</string>
@@ -7494,7 +7492,7 @@
     <string name="apps_summary_example">24 apps installed</string>
 
     <!-- Summary of storage usage [CHAR LIMIT=NONE] -->
-    <string name="storage_summary"><xliff:g id="percentage" example="54%">%1$s</xliff:g> used - <xliff:g id="free_space" example="32GB">%2$s</xliff:g> free</string>
+    <string name="storage_summary">Internal storage: <xliff:g id="percentage" example="54%">%1$s</xliff:g> used - <xliff:g id="free_space" example="32GB">%2$s</xliff:g> free</string>
 
     <!-- Summary of display with screen sleep timeout [CHAR LIMIT=NONE] -->
     <string name="display_summary">Sleep after <xliff:g id="timeout_description" example="10 minutes">%1$s</xliff:g> of inactivity</string>