DotRenderer: Add shadow to notification dots

import android.graphics.PathMeasure;

import android.graphics.PointF;

import android.graphics.Rect;

import android.graphics.RectF;

import android.graphics.Typeface;

import android.util.Log;

import android.view.ViewDebug;

    private final float mCircleRadius;

    private final Paint mCirclePaint = new Paint(ANTI_ALIAS_FLAG | FILTER_BITMAP_FLAG);

    private final Paint mCircleShadowPaint = new Paint(ANTI_ALIAS_FLAG | FILTER_BITMAP_FLAG);

    private final Paint mTextPaint = new Paint(ANTI_ALIAS_FLAG | FILTER_BITMAP_FLAG);

    private final Bitmap mBackgroundWithShadow;

        canvas.scale(params.scale, params.scale);

        mCirclePaint.setColor(params.mDotColor);

        mCircleShadowPaint.setColor(params.shadowDotColor);

        if (numNotifications > 9 && numNotifications < 100) {

            canvas.drawRoundRect(new RectF(-mCircleRadius - 10, -mCircleRadius, mCircleRadius + 10, mCircleRadius + 3), 50, 50, mCircleShadowPaint);

            canvas.drawRoundRect(new RectF(-mCircleRadius - 10, -mCircleRadius, mCircleRadius + 10, mCircleRadius), 50, 50, mCirclePaint);

        } else if (numNotifications > 99 && numNotifications < 1000) {

            canvas.drawRoundRect(new RectF(-mCircleRadius - 20, -mCircleRadius, mCircleRadius + 20, mCircleRadius + 3), 50, 50, mCircleShadowPaint);

            canvas.drawRoundRect(new RectF(-mCircleRadius - 20, -mCircleRadius, mCircleRadius + 20, mCircleRadius), 50, 50, mCirclePaint);

        } else {

            canvas.drawCircle(0, 3, mCircleRadius, mCircleShadowPaint);

            canvas.drawCircle(0, 0, mCircleRadius, mCirclePaint);

        }

        /** Whether the dot should align to the top left of the icon rather than the top right. */

        @ViewDebug.ExportedProperty(category = "notification dot")

        public boolean leftAlign;

        @ViewDebug.ExportedProperty(category = "notification dot", formatToHexString = true)

        public int shadowDotColor;

        @NonNull

        public IconShapeInfo shapeInfo = IconShapeInfo.DEFAULT;