Update the screenshot of Settings RNG tests.

The screenshot updates comes from two sources:
1. A recent Robolectric library change;
2. The application of Material You Colors.

Test: http://ab/I77900010255425277
Change-Id: I0493b9970a55422ac5302daec6b44a71174c1fde
diff --git a/tests/screenshot/assets/robolectric/fp_enroll_confirmation.png b/tests/screenshot/assets/robolectric/fp_enroll_confirmation.png
index db9009b..fe3353e 100644
--- a/tests/screenshot/assets/robolectric/fp_enroll_confirmation.png
+++ b/tests/screenshot/assets/robolectric/fp_enroll_confirmation.png
Binary files differ
diff --git a/tests/screenshot/assets/robolectric/fp_enroll_enrolling.png b/tests/screenshot/assets/robolectric/fp_enroll_enrolling.png
index 1299f2a..7a3b8da 100644
--- a/tests/screenshot/assets/robolectric/fp_enroll_enrolling.png
+++ b/tests/screenshot/assets/robolectric/fp_enroll_enrolling.png
Binary files differ
diff --git a/tests/screenshot/assets/robolectric/fp_enroll_find_sensor.png b/tests/screenshot/assets/robolectric/fp_enroll_find_sensor.png
index a252e5e..e92d606 100644
--- a/tests/screenshot/assets/robolectric/fp_enroll_find_sensor.png
+++ b/tests/screenshot/assets/robolectric/fp_enroll_find_sensor.png
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diff --git a/tests/screenshot/assets/robolectric/fp_enroll_intro.png b/tests/screenshot/assets/robolectric/fp_enroll_intro.png
index 3cd9f4a..a0c7556 100644
--- a/tests/screenshot/assets/robolectric/fp_enroll_intro.png
+++ b/tests/screenshot/assets/robolectric/fp_enroll_intro.png
Binary files differ