Merge "Fix background color resolution"

import android.util.Pair;

import android.util.SparseArray;

import android.util.proto.ProtoOutputStream;

import android.view.ContextThemeWrapper;

import android.view.Gravity;

import android.view.View;

import android.view.ViewGroup;

            int defaultColor = mInNightMode ? Color.BLACK : Color.WHITE;

            Resources.Theme theme = mContext.getTheme();

            if (theme == null) {

                // Running unit tests with mocked context

                return defaultColor;

            }

            theme = new ContextThemeWrapper(mContext, R.style.Theme_DeviceDefault_DayNight)

                    .getTheme();

            TypedArray ta = theme.obtainStyledAttributes(new int[]{R.attr.colorBackground});

            if (ta == null) {

                return defaultColor;

    <DateTimeView

        android:id="@+id/time"

        android:textAppearance="@style/TextAppearance.Material.Notification.Time"

        android:textAppearance="@style/TextAppearance.DeviceDefault.Notification.Time"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:layout_marginStart="@dimen/notification_header_separating_margin"