replace face detection image with better quality one

Bug: 6489470
Change-Id: Ia951726f6f532127ff4309f3f836e41e14ce0780
diff --git a/tests/res/drawable/faces.jpg b/tests/res/drawable/faces.jpg
index d7f8d08..9892af0 100644
--- a/tests/res/drawable/faces.jpg
+++ b/tests/res/drawable/faces.jpg
Binary files differ