[Fingerprint] Use accent color for fingerprint highlight

<?xml version="1.0" encoding="utf-8"?>

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<selector xmlns:android="http://schemas.android.com/apk/res/android">

    <item android:alpha="0.5" android:color="?android:attr/colorAccent" />

</selector>

    <color name="fingerprint_progress_ring">?android:attr/colorAccent</color>

    <color name="fingerprint_progress_ring_bg">#20000000</color>

    <color name="fingerprint_indicator_background_resting">#12000000</color>

    <color name="fingerprint_indicator_background_activated">#80009688</color>

    <color name="running_processes_system_ram">#ff384248</color>

    <color name="running_processes_apps_ram">#ff009587</color>