Port BatteryMonitor into Device Service

content/public/app/mojo/content_browser_manifest.json

 {
   "name": "content_browser",
   "display_name": "Content (browser process)",
   "interface_provider_specs": {
     "service_manager:connector": {
       "provides": {
         "gpu": [
           "media::mojom::AndroidOverlayProvider",
           "memory_instrumentation::mojom::Coordinator"
         ],
@@ skipping 13 matching lines @@
           "blink::mojom::OffscreenCanvasSurfaceFactory",
           "blink::mojom::PermissionService",
           "blink::mojom::WebSocket",
           "content::mojom::FieldTrialRecorder",
           "content::mojom::MemoryCoordinatorHandle",
           "content::mojom::PushMessaging",
           "content::mojom::ServiceWorkerDispatcherHost",
           "content::mojom::StoragePartitionService",
           "content::mojom::URLLoaderFactory",
           "content::mojom::VideoCaptureHost",
-          "device::BatteryMonitor",
           "device::mojom::GamepadMonitor",
           "discardable_memory::mojom::DiscardableSharedMemoryManager",
           "media::mojom::ImageCapture",
           "memory_coordinator::mojom::MemoryCoordinatorHandle",
           "memory_instrumentation::mojom::Coordinator",
           "payments::mojom::PaymentAppManager",
           "shape_detection::mojom::BarcodeDetection",
           "shape_detection::mojom::FaceDetectionProvider",
           "shape_detection::mojom::TextDetection",
           "ui::mojom::Gpu"
@@ skipping 56 matching lines @@
           "payments::mojom::PaymentRequest",
           "ui::mojom::Gpu"
         ]
       },
       "requires": {
         "content_renderer": [ "browser" ]
       }
     }
   }
 }