Backport ChooserTarget package source check from N am: 82b9565b

            }

            intent.setComponent(mChooserTarget.getComponentName());

            intent.putExtras(mChooserTarget.getIntentExtras());

            activity.startActivityAsCaller(intent, options, true, userId);

            // Important: we will ignore the target security checks in ActivityManager

            // if and only if the ChooserTarget's target package is the same package

            // where we got the ChooserTargetService that provided it. This lets a

            // ChooserTargetService provide a non-exported or permission-guarded target

            // to the chooser for the user to pick.

            //

            // If mSourceInfo is null, we got this ChooserTarget from the caller or elsewhere

            // so we'll obey the caller's normal security checks.

            final boolean ignoreTargetSecurity = mSourceInfo != null

                    && mSourceInfo.getResolvedComponentName().getPackageName()

                    .equals(mChooserTarget.getComponentName().getPackageName());

            activity.startActivityAsCaller(intent, options, ignoreTargetSecurity, userId);

            return true;

        }