Merge "Add an option for vendors to provide a camera extensions proxy" into sc-dev

import android.content.Context;

import android.content.Intent;

import android.content.ServiceConnection;

import android.content.pm.PackageManager;

import android.graphics.ImageFormat;

import android.hardware.camera2.extension.IAdvancedExtenderImpl;

import android.hardware.camera2.extension.ICameraExtensionsProxyService;

import android.os.ConditionVariable;

import android.os.IBinder;

import android.os.RemoteException;

import android.os.SystemProperties;

import android.annotation.IntDef;

import android.annotation.NonNull;

import android.util.Log;

            if (mConnection == null) {

                Intent intent = new Intent();

                intent.setClassName(PROXY_PACKAGE_NAME, PROXY_SERVICE_NAME);

                String vendorProxyPackage = SystemProperties.get(

                    "ro.vendor.camera.extensions.package");

                String vendorProxyService = SystemProperties.get(

                    "ro.vendor.camera.extensions.service");

                if (!vendorProxyPackage.isEmpty() && !vendorProxyService.isEmpty()) {

                  Log.v(TAG,

                      "Choosing the vendor camera extensions proxy package: "

                      + vendorProxyPackage);

                  Log.v(TAG,

                      "Choosing the vendor camera extensions proxy service: "

                      + vendorProxyService);

                  intent.setClassName(vendorProxyPackage, vendorProxyService);

                }

                mInitFuture = new InitializerFuture();

                mConnection = new ServiceConnection() {

                    @Override