sdk: Add static isChargingControlSupported(ctx) method

This will let us use it without bothering to handle RuntimeException
from HealthInterface contructor.

Change-Id: I768c250d1e527b6fd8e49a40452b98404062cc18

sdk/src/java/lineageos/health/HealthInterface.java

@@ -119,6 +119,21 @@ public class HealthInterface {
         return false;
     }
 
+    /**
+     * Returns whether charging control is supported
+     *
+     * @return true if charging control is supported
+     */
+    public static boolean isChargingControlSupported(Context context) {
+        try {
+            return getInstance(context).isChargingControlSupported();
+        } catch (RuntimeException e) {
+            Log.e(TAG, e.getLocalizedMessage(), e);
+        }
+
+        return false;
+    }
+
     /**
      * Returns the charging control enabled status
      *