Add Sandbox ID support

Merge from master branch of Widevine repo of http://go/wvgerrit/66078
Merge from oemcrypto-v15 branch of Widevine repo of http://go/wvgerrit/64022

This CL updates OEMCrypto ref code, unit tests, and core code for
setting the sandbox id before initializing OEMCrypto.

Test: unit tests only
Test: tested as part of http://go/ag/5501993
Bug: 115834255
Change-Id: Id9831680fe4db1c69413815931cae4bc80df0c01

libwvdrmengine/oemcrypto/test/oec_device_features.cpp

@@ -29,6 +29,7 @@ void DeviceFeatures::Initialize(bool is_cast_receiver,
   supports_rsa_3072 = false;
   api_version = 0;
   derive_key_method = NO_METHOD;
+  OEMCrypto_SetSandbox(kTestSandbox, sizeof(kTestSandbox));
   if (OEMCrypto_SUCCESS != OEMCrypto_Initialize()) {
     printf("OEMCrypto_Initialize failed. All tests will fail.\n");
     return;

libwvdrmengine/oemcrypto/test/oec_test_data.h

@@ -716,6 +716,8 @@ static const uint8_t kTestKeyRSAEuler_2048[] = {
     0x33, 0xe0, 0xdb, 0x03,
 };
 
+static const uint8_t kTestSandbox[] = { 0x01, 0x02, 0x03 };
+
 }  // namespace wvoec
 
 #endif  // CDM_OEC_TEST_DATA_H_

libwvdrmengine/oemcrypto/test/oemcrypto_test.cpp

@@ -95,6 +95,7 @@ class OEMCryptoClientTest : public ::testing::Test, public SessionUtil {
     const ::testing::TestInfo* const test_info =
         ::testing::UnitTest::GetInstance()->current_test_info();
     LOGD("Running test %s.%s", test_info->test_case_name(), test_info->name());
+    OEMCrypto_SetSandbox(kTestSandbox, sizeof(kTestSandbox));
     ASSERT_EQ(OEMCrypto_SUCCESS, OEMCrypto_Initialize());
   }
 
@@ -225,6 +226,7 @@ TEST_F(OEMCryptoClientTest, CheckMaxNumberOfSessionsAPI10) {
 TEST_F(OEMCryptoClientTest, NormalInitTermination) {
   // Should be able to terminate OEMCrypto, and then restart it.
   ASSERT_EQ(OEMCrypto_SUCCESS, OEMCrypto_Terminate());
+  OEMCrypto_SetSandbox(kTestSandbox, sizeof(kTestSandbox));
   ASSERT_EQ(OEMCrypto_SUCCESS, OEMCrypto_Initialize());
 }
 
@@ -4629,6 +4631,7 @@ class UsageTableTest : public GenericCryptoTest {
   }
 
   virtual void Restart() {
+    OEMCrypto_SetSandbox(kTestSandbox, sizeof(kTestSandbox));
     ASSERT_EQ(OEMCrypto_SUCCESS, OEMCrypto_Initialize());
     EnsureTestKeys();
     ASSERT_NO_FATAL_FAILURE(session_.open());

libwvdrmengine/oemcrypto/test/oemcrypto_test_android.cpp

@@ -23,7 +23,10 @@ namespace wvoec {
 // These tests are required for LollyPop Android devices.
 class OEMCryptoAndroidLMPTest : public ::testing::Test {
  protected:
-  virtual void SetUp() { ASSERT_EQ(OEMCrypto_SUCCESS, OEMCrypto_Initialize()); }
+  virtual void SetUp() {
+    OEMCrypto_SetSandbox(kTestSandbox, sizeof(kTestSandbox));
+    ASSERT_EQ(OEMCrypto_SUCCESS, OEMCrypto_Initialize());
+  }
 
   virtual void TearDown() { OEMCrypto_Terminate(); }
 };