Merge "Remove mount hack" into rvc-dev am: 688a5f21

            boolean hasLegacy = mIAppOpsService.checkOperation(OP_LEGACY_STORAGE,

                    uid, packageName) == MODE_ALLOWED;

            // Hack(b/147137425): we have to honor hasRequestedLegacyExternalStorage for a short

            // while to enable 2 cases.

            // 1) Apps that want to be in scoped storage in R, but want to opt out in Q devices,

            // because they want to use raw file paths, would fail until fuse is enabled by default.

            // 2) Test apps that target current sdk will fail. They would fail even after fuse is

            // enabled, but we are fixing it with b/142395442. We are not planning to enable

            // fuse by default until b/142395442 is fixed.

            if (!hasLegacy && !mIsFuseEnabled) {

                ApplicationInfo ai = mIPackageManager.getApplicationInfo(packageName,

                        0, UserHandle.getUserId(uid));

                hasLegacy = (ai != null && ai.hasRequestedLegacyExternalStorage());

            }

            if (hasLegacy && hasWrite) {

                return Zygote.MOUNT_EXTERNAL_WRITE;

            } else if (hasLegacy && hasRead) {