Sync oemcrypto files from cdm udc-dev to Android

Changes included in this CL:

166806: Update OEMCrypto_GetDeviceInformation() | https://widevine-internal-review.googlesource.com/c/cdm/+/166806
166808: Update Android L3 after OEMCrypto_GetDeviceInformation() signature changes | https://widevine-internal-review.googlesource.com/c/cdm/+/166808
166809: Decode device info and write it to CSR payload | https://widevine-internal-review.googlesource.com/c/cdm/+/166809
167158: Fix Android include path and copy_files | https://widevine-internal-review.googlesource.com/c/cdm/+/167158
167159: Fix common typos and use inclusive language suggested by Android linter | https://widevine-internal-review.googlesource.com/c/cdm/+/167159

165618: Explicitly state python3 where needed. | https://widevine-internal-review.googlesource.com/c/cdm/+/165618

166757: Update Android.bp for Android | https://widevine-internal-review.googlesource.com/c/cdm/+/166757
164993: Refactor basic oemcrypto unit tests | https://widevine-internal-review.googlesource.com/c/cdm/+/164993
164978: Update OEMCrypto Unit Test Docs | https://widevine-internal-review.googlesource.com/c/cdm/+/164978
166941: Update make files for OEMCrypto | https://widevine-internal-review.googlesource.com/c/cdm/+/166941

165279: Refactor license unit tests | https://widevine-internal-review.googlesource.com/c/cdm/+/165279
165318: Refactor provisioning unit tests | https://widevine-internal-review.googlesource.com/c/cdm/+/165318
164800: Add extra check for renew on license load unit test | https://widevine-internal-review.googlesource.com/c/cdm/+/164800
165860: Remove duplicate definition of MaybeHex() | https://widevine-internal-review.googlesource.com/c/cdm/+/165860

164889: Updated CoreCommonRequestFromMessage and fix test | https://widevine-internal-review.googlesource.com/c/cdm/+/164889
164967: Add OPK pre-hook and post-hook error codes | https://widevine-internal-review.googlesource.com/c/cdm/+/164967
165140: Add hidden device_id_length to v18 provisioning message | https://widevine-internal-review.googlesource.com/c/cdm/+/165140
165204: Fix memory leak in oemcrypto test | https://widevine-internal-review.googlesource.com/c/cdm/+/165204

165958: Fix oemcrypto_generic_verify_fuzz mutator signature offset | https://widevine-internal-review.googlesource.com/c/cdm/+/165958

166037: Support SHA-256 in OEMCrypto Session Util | https://widevine-internal-review.googlesource.com/c/cdm/+/166037

Test: Run GtsMediaTests on Pixel 7
Bug: 270612144

Change-Id: Iff0820a2de7d043a820470a130af65b0dcadb759

libwvdrmengine/oemcrypto/test/oemcrypto_basic_test.h

@@ -0,0 +1,41 @@
+// Copyright 2022 Google LLC. All Rights Reserved. This file and proprietary
+// source code may only be used and distributed under the Widevine
+// License Agreement.
+//
+// Test data for OEMCrypto unit tests.
+//
+#ifndef CDM_OEMCRYPTO_BASIC_TEST_
+#define CDM_OEMCRYPTO_BASIC_TEST_
+
+#include <vector>
+
+#include <gtest/gtest.h>
+
+#include "OEMCryptoCENC.h"
+#include "oec_session_util.h"
+#include "oemcrypto_session_tests_helper.h"
+namespace wvoec {
+
+const char* HDCPCapabilityAsString(OEMCrypto_HDCP_Capability value);
+
+std::string MaybeHex(const uint8_t* data, size_t length);
+std::string MaybeHex(const std::vector<uint8_t>& data);
+
+/** Tests for just basic client functionality. */
+class OEMCryptoClientTest : public ::testing::Test, public SessionUtil {
+ protected:
+  OEMCryptoClientTest() {}
+
+  void SetUp() override;
+  void TearDown() override;
+  const uint8_t* find(const std::vector<uint8_t>& message,
+                      const std::vector<uint8_t>& substring);
+  OEMCryptoResult CopyBuffer(
+      OEMCrypto_SESSION session, OEMCrypto_SharedMemory* input_buffer,
+      size_t input_buffer_size,
+      const OEMCrypto_DestBufferDesc* dest_buffer_descriptor,
+      uint8_t subsample_flags);
+};
+}  // namespace wvoec
+
+#endif  // CDM_OEMCRYPTO_BASIC_TEST_