DrmHalTest: null check for skipped test am: 9049fc93a8 am: efe8d1a7a4

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/2417394

Change-Id: I885e3f4829b72bf8ba4e7d99dad0c85a06f3b465
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
diff --git a/drm/aidl/vts/drm_hal_common.cpp b/drm/aidl/vts/drm_hal_common.cpp
index f5ef0e7..f0445a5 100644
--- a/drm/aidl/vts/drm_hal_common.cpp
+++ b/drm/aidl/vts/drm_hal_common.cpp
@@ -263,6 +263,9 @@
 }
 
 bool DrmHalTest::isCryptoSchemeSupported(Uuid uuid, SecurityLevel level, std::string mime) {
+    if (drmFactory == nullptr) {
+        return false;
+    }
     CryptoSchemes schemes{};
     auto ret = drmFactory->getSupportedCryptoSchemes(&schemes);
     EXPECT_OK(ret);