libbinder use stronger refbase semantics

As a larger example of how to use
ANDROID_UTILS_REF_BASE_DISABLE_IMPLICIT_CONSTRUCTION.

Bug: 184190315
Test: boot (relevant tests in TEST_MAPPING)

Change-Id: I88283543e1f63fd1010f9cd3f63baefec84e6a84
diff --git a/libs/binder/IServiceManager.cpp b/libs/binder/IServiceManager.cpp
index ca067e2..61f4581 100644
--- a/libs/binder/IServiceManager.cpp
+++ b/libs/binder/IServiceManager.cpp
@@ -102,7 +102,7 @@
             }
         }
 
-        gDefaultServiceManager = new ServiceManagerShim(sm);
+        gDefaultServiceManager = sp<ServiceManagerShim>::make(sm);
     });
 
     return gDefaultServiceManager;
@@ -324,7 +324,7 @@
     }
     if (out != nullptr) return out;
 
-    sp<Waiter> waiter = new Waiter;
+    sp<Waiter> waiter = sp<Waiter>::make();
     if (!mTheRealServiceManager->registerForNotifications(
             name, waiter).isOk()) {
         return nullptr;