DevMgr: Make vectors hold sh_ptr and not uniq_ptr

This allows us to mirror the contents of the two lists into the unified
list much more easily.

senseApis/xcbXorg/xcbXorg.cpp

@@ -82,7 +82,7 @@ int xcbXorg_finalizeInd(void)
 static sal_mlo_attachDeviceReqFn xcbXorg_attachDeviceReq;
 int xcbXorg_attachDeviceReq(const CSenseDeviceSpec *const desc)
 {
-    std::cout << __func__ << "\n";
+    std::cout << __func__ << ": Attaching device spec: " << *desc << "\n";
     return 0;
 }