Log when opening the resolver library.

Test: builds, boots
Change-Id: I4e462e0c24d535a79d51a7996bc865498bea1a1f
diff --git a/server/ResolvStub.cpp b/server/ResolvStub.cpp
index 5054abf..dafd58f 100644
--- a/server/ResolvStub.cpp
+++ b/server/ResolvStub.cpp
@@ -61,6 +61,7 @@
         std::string path = std::string(dir) + "/" + LIBNAME;
         netdResolvHandle = dlopen(path.c_str(), RTLD_NOW);
         if (netdResolvHandle != nullptr) {
+            ALOGI("Loaded resolver library from %s", path.c_str());
             break;
         }
         ALOGW("dlopen(%s) failed: %s", path.c_str(), strerror(errno));