Remove unused getRenderScript

package androidx.media.filterfw;

import android.annotation.TargetApi;

import android.app.Activity;

import android.app.ActivityManager;

import android.content.Context;

import android.content.pm.ConfigurationInfo;

import android.os.Build;

import android.os.Handler;

import android.os.Looper;

import android.renderscript.RenderScript;

import android.util.Log;

import android.view.SurfaceHolder;

import android.view.SurfaceView;

    /** Flag whether camera streaming is supported in this context. */

    private boolean mCameraStreamingSupport;

    /** RenderScript base master class. */

    private RenderScript mRenderScript;

    /**

     * Creates a new MffContext with the default configuration.

     *

                    mCameraStreamer.stop();

                    mCameraStreamer.tearDown();

                }

                if (Build.VERSION.SDK_INT >= 11) {

                    maybeDestroyRenderScript();

                }

                stopRunners(false);

                waitUntilStopped();

                tearDown();

        return mCameraStreamingSupport;

    }

    @TargetApi(11)

    public final RenderScript getRenderScript() {

        if (mRenderScript == null) {

            mRenderScript = RenderScript.create(mApplicationContext);

        }

        return mRenderScript;

    }

    final void assertOpenGLSupported() {

        if (!isOpenGLSupported()) {

            throw new RuntimeException("Attempting to use OpenGL ES 2 in a context that does not "

        return (context instanceof Activity) ? (Activity) context : null;

    }

    @TargetApi(11)

    private void maybeDestroyRenderScript() {

        if (mRenderScript != null) {

            mRenderScript.destroy();

            mRenderScript = null;

        }

    }

}