Updated flash screen with new arch

app/src/main/java/com/topjohnwu/magisk/utils/XTime.kt

@@ -0,0 +1,18 @@
+package com.topjohnwu.magisk.utils
+
+import java.text.ParseException
+import java.text.SimpleDateFormat
+import java.util.*
+
+val now get() = System.currentTimeMillis()
+
+fun Long.toTime(format: SimpleDateFormat) = format.format(this).orEmpty()
+fun String.toTime(format: SimpleDateFormat) = try {
+    format.parse(this)?.time ?: -1
+} catch (e: ParseException) {
+    -1L
+}
+
+private val locale get() = Locale.getDefault()
+val timeFormatFull by lazy { SimpleDateFormat("YYYY/MM/DD_HH:mm:ss", locale) }
+val timeFormatStandard by lazy { SimpleDateFormat("YYYY-MM-DD'T'HH:mm:ss'Z'", locale) }