Enable the keymaster logger in the default Keymint am: 8f28f8b8ea

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/2738433

Change-Id: I4ed1aad6a176685e53492e5f8eaaac98c4975e95
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>

security/keymint/aidl/default/service.cpp

@@ -44,6 +44,8 @@ std::shared_ptr<T> addService(Args&&... args) {
 }
 
 int main() {
+    // The global logger object required by keymaster's logging macros in keymaster/logger.h.
+    keymaster::SoftKeymasterLogger km_logger;
     // Zero threads seems like a useless pool, but below we'll join this thread to it, increasing
     // the pool size to 1.
     ABinderProcess_setThreadPoolMaxThreadCount(0);