Change camera interface to support multiple cameras.

Change-Id: Ie88fe706d2278acf762eca87780de349434778a4
diff --git a/camera/Camera.cpp b/camera/Camera.cpp
index 2fbddd5..0037399 100644
--- a/camera/Camera.cpp
+++ b/camera/Camera.cpp
@@ -107,6 +107,13 @@
     return cs->getNumberOfCameras();
 }
 
+status_t Camera::getCameraInfo(int cameraId,
+                               struct CameraInfo* cameraInfo) {
+    const sp<ICameraService>& cs = getCameraService();
+    if (cs == 0) return UNKNOWN_ERROR;
+    return cs->getCameraInfo(cameraId, cameraInfo);
+}
+
 sp<Camera> Camera::connect(int cameraId)
 {
     LOGV("connect");