Camera: Add debug command for zoom override

Add a "adb shell cmd" debug command to force SETTINGS_OVERRIDE_OFF or
SETTINGS_OVERRIDE_ZOOM. This makes testing of 3P apps easier.

Test: adb shell cmd media.camera set-zoom-override
Bug: 277789566
Change-Id: I398da9aa34eb028813072c56640bcd3e46f321e0
diff --git a/services/camera/libcameraservice/api1/Camera2Client.h b/services/camera/libcameraservice/api1/Camera2Client.h
index 6d7651f..6bdb644 100644
--- a/services/camera/libcameraservice/api1/Camera2Client.h
+++ b/services/camera/libcameraservice/api1/Camera2Client.h
@@ -97,6 +97,9 @@
                                     const std::vector<int64_t>& useCaseOverrides);
     virtual void            clearStreamUseCaseOverrides();
 
+    virtual bool            supportsZoomOverride();
+    virtual status_t        setZoomOverride(int32_t zoomOverride);
+
     /**
      * Interface used by CameraService
      */