Clean up format of V4L2Camera and V4L2CameraHAL.

BUG: 30224839
TEST: unit tests pass
Change-Id: I0d41927fb6e56cf32f5e04a3fe98be1139e6c4a8
diff --git a/modules/camera/3_4/v4l2_camera.h b/modules/camera/3_4/v4l2_camera.h
index d9af15d..804012b 100644
--- a/modules/camera/3_4/v4l2_camera.h
+++ b/modules/camera/3_4/v4l2_camera.h
@@ -35,16 +35,17 @@
 // while a specific camera device (e.g. V4L2Camera) holds all specific
 // metadata and logic about that device.
 class V4L2Camera : public default_camera_hal::Camera {
-public:
+ public:
   // Use this method to create V4L2Camera objects. Functionally equivalent
   // to "new V4L2Camera", except that it may return nullptr in case of failure.
   static V4L2Camera* NewV4L2Camera(int id, const std::string path);
   ~V4L2Camera();
 
-private:
+ private:
   // Constructor private to allow failing on bad input.
   // Use NewV4L2Camera instead.
-  V4L2Camera(int id, std::shared_ptr<V4L2Wrapper> v4l2_wrapper,
+  V4L2Camera(int id,
+             std::shared_ptr<V4L2Wrapper> v4l2_wrapper,
              std::unique_ptr<Metadata> metadata);
 
   // default_camera_hal::Camera virtual methods.
@@ -63,7 +64,8 @@
   int initDevice() override;
   // Verify stream configuration is device-compatible.
   bool isSupportedStreamSet(default_camera_hal::Stream** streams,
-                            int count, uint32_t mode) override;
+                            int count,
+                            uint32_t mode) override;
   // Set up the device for a stream, and get the maximum number of
   // buffers that stream can handle (max_buffers is an output parameter).
   int setupStream(default_camera_hal::Stream* stream,
@@ -71,8 +73,7 @@
   // Verify settings are valid for a capture with this device.
   bool isValidCaptureSettings(const android::CameraMetadata& settings) override;
   // Set settings for a capture.
-  int setSettings(
-            const android::CameraMetadata& new_settings) override;
+  int setSettings(const android::CameraMetadata& new_settings) override;
   // Enqueue a buffer to receive data from the camera.
   int enqueueBuffer(const camera3_stream_buffer_t* camera_buffer) override;
   // Get the shutter time and updated settings for the most recent frame.