Refactor battery related feature provider

Merge BatteryInfoFeatureProvider to BatterySettingsFeatureProvider. Also
add a new string to indicate the unavailability when there's error
fetching the cycle count value.

Bug: 276399056
Test: robotests
Change-Id: Ic6a641d72d5bb295f2a0766dcebdcbe855d91125

src/com/android/settings/fuelgauge/BatterySettingsFeatureProvider.java

@@ -16,9 +16,19 @@
 
 package com.android.settings.fuelgauge;
 
-import android.content.ComponentName;
-
 /** Feature provider for battery settings usage. */
 public interface BatterySettingsFeatureProvider {
 
+    /** Returns true if manufacture date should be shown */
+    boolean isManufactureDateAvailable();
+
+    /** Returns true if first use date should be shown */
+    boolean isFirstUseDateAvailable();
+
+    /** Returns the summary of battery manufacture date */
+    CharSequence getManufactureDateSummary();
+
+    /** Returns the summary of battery first use date */
+    CharSequence getFirstUseDateSummary();
+
 }