IDrm/ICrypto: implement getLogMessages

Bug: 162255728
Test: build
Change-Id: I68edcd04729a5721117e13a48304b842a61dfee5
diff --git a/drm/libmediadrm/CryptoHal.cpp b/drm/libmediadrm/CryptoHal.cpp
index 340211b..9d39f83 100644
--- a/drm/libmediadrm/CryptoHal.cpp
+++ b/drm/libmediadrm/CryptoHal.cpp
@@ -393,4 +393,8 @@
     return toStatusT(mPlugin->setMediaDrmSession(toHidlVec(sessionId)));
 }
 
+status_t CryptoHal::getLogMessages(Vector<drm::V1_4::LogMessage> &logs) const {
+    Mutex::Autolock autoLock(mLock);
+    return DrmUtils::GetLogMessages<drm::V1_4::ICryptoPlugin>(mPlugin, logs);
+}
 }  // namespace android