Camera2/3: Increase digital zoom steps

Digitial zoom number of steps was 30 and a bit rough. Change it to 100 to make
smooth zoom smoother.

Bug: 9050908
Change-Id: I141bc0335d58cdcd6530c14cbbfe6c4ffb4c6dc6
diff --git a/services/camera/libcameraservice/camera2/Parameters.h b/services/camera/libcameraservice/camera2/Parameters.h
index b994ec9..be05b54 100644
--- a/services/camera/libcameraservice/camera2/Parameters.h
+++ b/services/camera/libcameraservice/camera2/Parameters.h
@@ -157,7 +157,7 @@
     } state;
 
     // Number of zoom steps to simulate
-    static const unsigned int NUM_ZOOM_STEPS = 30;
+    static const unsigned int NUM_ZOOM_STEPS = 100;
 
     // Full static camera info, object owned by someone else, such as
     // Camera2Device.