Return key request type none after key rotation

[ Merge of http://go/wvgerrit/80084 ]

Corrected the key type being returned after entitled keys from
init data are loaded. Made test changes to validate.

Bug: 133903028
Test: WV unit/integration tests
Change-Id: Icb44587f5c3aba3b0facae6d83dc9344d6b60833

libwvdrmengine/cdm/test/request_license_test.cpp

@@ -1785,6 +1785,7 @@ class WvCdmRequestLicenseTest : public WvCdmTestBase {
             &key_request);
     EXPECT_EQ(wvcdm::KEY_ADDED, status);
     EXPECT_TRUE(key_request.message.empty());
+    EXPECT_EQ(kKeyRequestTypeNone, key_request.type);
     EXPECT_TRUE(key_request.url.empty());
     return wvcdm::KEY_ADDED == status && key_request.message.empty()
         && key_request.url.empty();