Use GTEST_SKIP for generic crypto tests

Bug: 251240681
Merged from https://widevine-internal-review.googlesource.com/180050

Change-Id: I5aebcf10f9c8bad5ff21c22bc882040ecd0b390a

libwvdrmengine/oemcrypto/test/oemcrypto_usage_table_test.h

@@ -28,6 +28,9 @@ class OEMCryptoGenericCryptoTest : public OEMCryptoRefreshTest {
 
   void SetUp() override {
     OEMCryptoRefreshTest::SetUp();
+    if (!wvoec::global_features.generic_crypto) {
+      GTEST_SKIP() << "Test for devices with generic crypto API only";
+    }
     ASSERT_NO_FATAL_FAILURE(license_messages_.SignAndVerifyRequest());
     ASSERT_NO_FATAL_FAILURE(
         license_messages_.CreateResponseWithGenericCryptoKeys());