Unify data/power layout, confirm disable, round.

Share consistent layout between data usage and battery usage.  Show
confirmation dialog before disabling mobile data.  Round warning/limit
sweep values to match displayed label.  Suppress fade when switching
data usage tabs.

Bug: 5208510, 5058157, 5038589, 5252816
Change-Id: I3c76f3397445d2d3b173666a41672871df4c61af
diff --git a/res/values/strings.xml b/res/values/strings.xml
index e39da52..ddf75df 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -3470,6 +3470,8 @@
     <!-- Label for data usage occuring while application in background. [CHAR LIMIT=48] -->
     <string name="data_usage_label_background">Background</string>
 
+    <!-- Body of dialog shown to request confirmation that mobile data will be disabled. [CHAR LIMIT=NONE] -->
+    <string name="data_usage_disable_mobile">Disable mobile data?</string>
     <!-- Checkbox label that will disable mobile network data connection when user-defined limit is reached. [CHAR LIMIT=32] -->
     <string name="data_usage_disable_mobile_limit">Disable mobile data at limit</string>
     <!-- Checkbox label that will disable 4G network data connection when user-defined limit is reached. [CHAR LIMIT=32] -->
@@ -3675,4 +3677,7 @@
     <!-- Button label for cancelling the new-password operation and retaining the user's previous full-backup password -->
     <string name="backup_pw_cancel_button_text">Cancel</string>
 
+    <!-- Representation of a numerical percentage. [CHAR LIMIT=8] -->
+    <string name="percentage"><xliff:g id="number" example="30">%d</xliff:g>%%</string>
+
 </resources>