Add OEMCrypto_IsAntiRollbackHwPresent API for OEMCrypto v10.

Merge from WV CDM repo: https://widevine-internal-review.googlesource.com/#/c/13660/.

bug: 18948905
Change-Id: I1ffe72baaac9abf05c06139de790236e763f89a8

libwvdrmengine/oemcrypto/mock/src/oemcrypto_engine_mock.cpp

@@ -512,6 +512,13 @@ bool SessionContext::InstallKey(const KeyId& key_id,
     LOGE("Error parsing key control.");
     return false;
   }
+  if ((key_control_block.control_bits() &
+      kControlRequireAntiRollbackHardware) &&
+      !ce_->is_anti_rollback_hw_present()) {
+    LOGE("Anti-rollback hardware is required but hardware not present.");
+    return false;
+  }
+
   if (!CheckNonceOrEntry(key_control_block, pst)) {
     LOGE("Failed Nonce/PST check.");
     return false;