Merge "Slight adjustments to gradient shown when dragging to dismiss" into oc-dev

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

    android:layout_width="match_parent"

    android:layout_height="@dimen/pip_dismiss_gradient_height"

    android:background="@drawable/pip_dismiss_scrim"

    android:alpha="0">

    <TextView

    <dimen name="recents_fast_fling_velocity">600dp</dimen>

    <!-- The height of the gradient indicating the dismiss edge when moving a PIP. -->

    <dimen name="pip_dismiss_gradient_height">196dp</dimen>

    <dimen name="pip_dismiss_gradient_height">176dp</dimen>

    <!-- The bottom margin of the PIP drag to dismiss info text shown when moving a PIP. -->

    <dimen name="pip_dismiss_text_bottom_margin">24dp</dimen>

import android.graphics.Point;

import android.graphics.PointF;

import android.graphics.Rect;

import android.graphics.drawable.Drawable;

import android.view.Gravity;

import android.view.LayoutInflater;

import android.view.View;

            mDismissView.setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_STABLE);

            mDismissView.forceHasOverlappingRendering(false);

            // Set the gradient background

            Drawable gradient = mContext.getResources().getDrawable(R.drawable.pip_dismiss_scrim);

            gradient.setAlpha((int) (255 * 0.85f));

            mDismissView.setBackground(gradient);

            // Adjust bottom margins of the text

            View text = mDismissView.findViewById(R.id.pip_dismiss_text);

            FrameLayout.LayoutParams tlp = (FrameLayout.LayoutParams) text.getLayoutParams();