drm+crypto HAL default implementation

Test: compiles, links

bug:32815560
Change-Id: I49595734aca46c818bb3685934373a627a98a6ed
diff --git a/drm/crypto/1.0/ICryptoPlugin.hal b/drm/crypto/1.0/ICryptoPlugin.hal
index ee4c1dc..e86c9f2 100644
--- a/drm/crypto/1.0/ICryptoPlugin.hal
+++ b/drm/crypto/1.0/ICryptoPlugin.hal
@@ -49,7 +49,7 @@
      *
      * @param sessionId the MediaDrm session ID to associate with this crypto
      * session
-     * @return the status of the call, status must be
+     * @return status the status of the call, status must be
      * ERROR_DRM_SESSION_NOT_OPENED if the session is not opened, or
      * ERROR_DRM_CANNOT_HANDLE if the operation is not supported by the drm
      * scheme.