Update language to comply with Android's inclusive language guidance

See https://source.android.com/setup/contribute/respectful-code for reference

BUG=161896447

Change-Id: I0d42ed10f23013477f2dfba48b128ec13aef30ea
diff --git a/drm/libdrmframework/include/DrmManagerClientImpl.h b/drm/libdrmframework/include/DrmManagerClientImpl.h
index 3858675..8c8783b 100644
--- a/drm/libdrmframework/include/DrmManagerClientImpl.h
+++ b/drm/libdrmframework/include/DrmManagerClientImpl.h
@@ -230,7 +230,7 @@
 
     /**
      * Removes all the rights information of each plug-in associated with
-     * DRM framework. Will be used in master reset
+     * DRM framework.
      *
      * @param[in] uniqueId Unique identifier for a session
      * @return status_t