Implement the battery tips cards.(1/2)

- Implement a tips card UI in Battery Usage.

[Screenshot]:
- Tips Card with thumbs-up/down feedback in dark mode
https://screenshot.googleplex.com/3nRCFYvLTWfiYYT
- Tips Card without feedback
https://screenshot.googleplex.com/B7QGRJZAHzgWpCP
- Tips Card in Force RTL layout
https://screenshot.googleplex.com/8crQdj8ao26pKpH
- Tips Card in light mode
https://screenshot.googleplex.com/885aVvZm8xmhK2S

[TODO]:
- Add accessibility
- Localization

Bug: 291689623
Test: Manual
Change-Id: I4443cdb21b3ba30900fc2f6fcc21c4c56dc1293f
Merged-In: I4443cdb21b3ba30900fc2f6fcc21c4c56dc1293f

src/com/android/settings/fuelgauge/batteryusage/BatteryChartPreferenceController.java

@@ -98,6 +98,20 @@ public class BatteryChartPreferenceController extends AbstractPreferenceControll
         void onScreenOnTimeUpdated(Long screenOnTime, String slotTimestamp);
     }
 
+    /**
+     * A callback listener for the battery tips card is updated.
+     * This happens when battery tips card is ready.
+     */
+    public interface OnBatteryTipsUpdatedListener {
+        /**
+         * The callback function for the battery tips card is updated.
+         * @param title the title of the battery tip card
+         * @param summary the summary of the battery tip card
+         */
+        void onBatteryTipsUpdated(String title, String summary);
+    }
+
+
     @VisibleForTesting
     Context mPrefContext;
     @VisibleForTesting
@@ -119,6 +133,7 @@ public class BatteryChartPreferenceController extends AbstractPreferenceControll
     private List<BatteryChartViewModel> mHourlyViewModels;
     private OnBatteryUsageUpdatedListener mOnBatteryUsageUpdatedListener;
     private OnScreenOnTimeUpdatedListener mOnScreenOnTimeUpdatedListener;
+    private OnBatteryTipsUpdatedListener mOnBatteryTipsUpdatedListener;
 
     private final SettingsActivity mActivity;
     private final MetricsFeatureProvider mMetricsFeatureProvider;
@@ -209,6 +224,10 @@ public class BatteryChartPreferenceController extends AbstractPreferenceControll
         mOnScreenOnTimeUpdatedListener = listener;
     }
 
+    void setOnBatteryTipsUpdatedListener(OnBatteryTipsUpdatedListener listener) {
+        mOnBatteryTipsUpdatedListener = listener;
+    }
+
     void setBatteryHistoryMap(
             final Map<Long, Map<String, BatteryHistEntry>> batteryHistoryMap) {
         Log.d(TAG, "setBatteryHistoryMap() " + (batteryHistoryMap == null ? "null"
@@ -344,6 +363,10 @@ public class BatteryChartPreferenceController extends AbstractPreferenceControll
             }
             mOnBatteryUsageUpdatedListener.onBatteryUsageUpdated(
                     slotUsageData, getSlotInformation(), isBatteryUsageMapNullOrEmpty());
+
+            if (mOnBatteryTipsUpdatedListener != null) {
+                mOnBatteryTipsUpdatedListener.onBatteryTipsUpdated(null, null);
+            }
         }
         return true;
     }