Correctly handle local display only for SRM version.

[ Merge of http://go/wvgerrit/105343 ]

If a device only supports local display (eliminating the need for an
SRM version), then the CDM should treat this as no SRM version.

Bug: 166009716
Test: License request integration test
Change-Id: I2d9c3f98735563df6d7c7a287abab41bf0a8c513

libwvdrmengine/cdm/core/include/wv_cdm_types.h

@@ -415,6 +415,7 @@ enum CdmResponseType : int32_t {
   LICENSE_USAGE_ENTRY_MISSING = 360,
   LOAD_USAGE_ENTRY_INVALID_SESSION = 361,
   RESTORE_OFFLINE_LICENSE_ERROR_3 = 362,
+  NO_SRM_VERSION = 363,
   // Don't forget to add new values to
   //  * core/test/test_printers.cpp.
   //  * android/include/mapErrors-inl.h