Merge "Always ask vold to unlock user" am: 62cec108

        enforcePermission(android.Manifest.permission.STORAGE_INTERNAL);

        if (StorageManager.isFileEncryptedNativeOrEmulated()) {

            // When a user has secure lock screen, require secret to actually unlock.

            // This check is mostly in place for emulation mode.

            if (mLockPatternUtils.isSecure(userId) && ArrayUtils.isEmpty(secret)) {

                throw new IllegalStateException("Secret required to unlock secure user " + userId);

            }

            try {

                mVold.unlockUserKey(userId, serialNumber, encodeBytes(token),

                        encodeBytes(secret));