Merge "Restrict activity launch when caller is running in the background" into sc-dev

            final long origId = Binder.clearCallingIdentity();

            // TODO(b/64750076): Check if calling pid should really be -1.

            try {

                if (options == null) {

                    options = new SafeActivityOptions(ActivityOptions.makeBasic());

                }

                // Fixes b/230492947

                // Prevents background activity launch through #startNextMatchingActivity

                // An activity going into the background could still go back to the foreground

                // if the intent used matches both:

                // - the activity in the background

                // - a second activity.

                options.getOptions(r).setAvoidMoveToFront();

                final int res = getActivityStartController()

                        .obtainStarter(intent, "startNextMatchingActivity")

                        .setCaller(r.app.getThread())

                        .setRealCallingUid(r.launchedFromUid)

                        .setActivityOptions(options)

                        .execute();

            Binder.restoreCallingIdentity(origId);

                r.finishing = wasFinishing;

            if (res != ActivityManager.START_SUCCESS) {

                return false;

                return res == ActivityManager.START_SUCCESS;

            } finally {

                Binder.restoreCallingIdentity(origId);

            }

            return true;

        }

    }