Fix the 2x NightLight icon

The previously generated skiafied 2x icon of the ON status of NightLight
was misaligned with the OFF status icon.

BUG=721952
TEST=Test on kevin, or on the emulator with --force-device-scale-factor=2.
Make sure the ON and OFF icons are aligned.

Review-Url: https://codereview.chromium.org/2900083002
Cr-Commit-Position: refs/heads/master@{#473974}

ash/resources/vector_icons/system_menu_night_light_on.icon

@@ -3,19 +3,18 @@
 // found in the LICENSE file.
 
 CANVAS_DIMENSIONS, 40,
-MOVE_TO, 16, 0,
-CUBIC_TO, 24.83f, 0, 32, 7.17f, 32, 16,
-CUBIC_TO, 32, 24.83f, 24.83f, 32, 16, 32,
-CUBIC_TO, 7.17f, 32, 0, 24.83f, 0, 16,
-CUBIC_TO, 0, 7.17f, 7.17f, 0, 16, 0,
+MOVE_TO, 20, 4,
+R_CUBIC_TO, 8.83f, 0, 16, 7.17f, 16, 16,
+R_CUBIC_TO, 0, 8.83f, -7.17f, 16, -16, 16,
+CUBIC_TO_SHORTHAND, 4, 28.83f, 4, 20,
+CUBIC_TO_SHORTHAND, 11.17f, 4, 20, 4,
 CLOSE,
-MOVE_TO, 20, 3.63f,
-CUBIC_TO, 18.74f, 3.22f, 17.4f, 3, 16, 3,
-CUBIC_TO, 8.82f, 3, 3, 8.82f, 3, 16,
-CUBIC_TO, 3, 23.18f, 8.82f, 29, 16, 29,
-CUBIC_TO, 17.4f, 29, 18.74f, 28.78f, 20, 28.37f,
-CUBIC_TO, 14.78f, 26.69f, 11, 21.78f, 11, 16,
-CUBIC_TO, 11, 10.22f, 14.78f, 5.31f, 20, 3.63f,
-LINE_TO, 20, 3.63f,
+R_MOVE_TO, 4, 3.63f,
+CUBIC_TO, 22.74f, 7.22f, 21.4f, 7, 20, 7,
+CUBIC_TO, 12.82f, 7, 7, 12.82f, 7, 20,
+R_CUBIC_TO, 0, 7.18f, 5.82f, 13, 13, 13,
+R_CUBIC_TO, 1.4f, 0, 2.74f, -0.22f, 4, -0.63f,
+R_CUBIC_TO, -5.22f, -1.69f, -9, -6.59f, -9, -12.37f,
+R_CUBIC_TO, 0, -5.78f, 3.78f, -10.69f, 9, -12.37f,
 CLOSE,
 END
\ No newline at end of file