Allow querying of OEMCrypto build information

[ Merge of http://go/wvgerrit/67503 ]

Bug: 117118184
Test: WV unit/integration tests
Change-Id: I8db90c1617e068a4711eb41a5852d15b5e228f2f

libwvdrmengine/cdm/test/request_license_test.cpp

@@ -4137,6 +4137,12 @@ TEST_F(WvCdmRequestLicenseTest, QueryStatus) {
   ASSERT_FALSE(ss.fail());
   EXPECT_TRUE(ss.eof());
   EXPECT_LE(10u, api_version);
+
+  EXPECT_EQ(wvcdm::NO_ERROR,
+            decryptor_.QueryStatus(
+                kLevelDefault, wvcdm::QUERY_KEY_OEMCRYPTO_BUILD_INFORMATION,
+                &value));
+  EXPECT_TRUE(!value.empty());
 }
 
 TEST_F(WvCdmRequestLicenseTest, QueryStatusL3) {