Delay OEMCrypto Termination

[ Merge of http://go/wvgerrit/89847 ]

This adds a platform specific property that allows OEMCrypto Termination
calls to be delayed. On android this allows a way to avoid
expensive back to back OEMCrypto_Terminate followed by Initialize
calls.

Bug: 136282358
Test: wv unit/integration tests
Change-Id: Ie5b4ff7503dafe77d974caac9c52fc1f169dec89

libwvdrmengine/cdm/src/properties_android.cpp

@@ -52,6 +52,7 @@ void Properties::InitOnce() {
   device_files_is_a_real_filesystem_ = kDeviceFilesIsARealFileSystem;
   allow_restore_of_offline_licenses_with_release_ =
       kAllowRestoreOfflineLicenseWithRelease;
+  delay_oem_crypto_termination_ = kPropertyDelayOemCryptoTermination;
   session_property_set_.reset(new CdmClientPropertySetMap());
 }