Fixed contrast with sfps overlay.

Tested various different themes

1. Choose a color in settings > wallpapers > basic colors
2. Go through enrollment
3. Verify that light/dark theme have appropriate contrast.

Test: Manually verified the contrast works for light/dark themes and
various different basic color styles.
Fixes: 243008680

Change-Id: I63900a8df21a3fe0f02e5da0db6e3b75520fce12

packages/SystemUI/res/values/colors.xml

@@ -133,6 +133,9 @@
     <color name="biometric_dialog_accent">@color/material_dynamic_primary40</color>
     <color name="biometric_dialog_error">#ffd93025</color>                  <!-- red 600 -->
 
+    <!-- SFPS colors -->
+    <color name="sfps_chevron_fill">@color/material_dynamic_primary90</color>
+
     <!-- UDFPS colors -->
     <color name="udfps_enroll_icon">#699FF3</color>
     <color name="udfps_moving_target_fill">#C2D7F7</color>

packages/SystemUI/src/com/android/systemui/biometrics/SideFpsController.kt

@@ -370,11 +370,15 @@ private fun WindowInsets.hasBigNavigationBar(): Boolean =
 private fun LottieAnimationView.addOverlayDynamicColor(context: Context) {
     fun update() {
         val c = context.getColor(R.color.biometric_dialog_accent)
+        val chevronFill = context.getColor(R.color.sfps_chevron_fill)
         for (key in listOf(".blue600", ".blue400")) {
             addValueCallback(KeyPath(key, "**"), LottieProperty.COLOR_FILTER) {
                 PorterDuffColorFilter(c, PorterDuff.Mode.SRC_ATOP)
             }
         }
+        addValueCallback(KeyPath(".black", "**"), LottieProperty.COLOR_FILTER) {
+            PorterDuffColorFilter(chevronFill, PorterDuff.Mode.SRC_ATOP)
+        }
     }
 
     if (composition != null) {