Move hwbinder to the android::hidl namespace.

This should prevent clashes if projects do want
to link in both libbinder and libhwbinder.

Also had to pull in Static.h from
frameworks/native/include/private/binder, as that
was not part of the history we pulled from
frameworks/native.

Change-Id: Ib7379e61229c3e68478f9c5530875292e1d51ded

Static.cpp

diff --git a/Static.cpp b/Static.cpp
index ef0251c..dda365e 100644
--- a/Static.cpp
+++ b/Static.cpp
@@ -17,13 +17,14 @@
 // All static variables go here, to control initialization and
 // destruction order in the library.
 
-#include <private/binder/Static.h>
+#include <hwbinder/Static.h>
 
 #include <hwbinder/BufferedTextOutput.h>
 #include <hwbinder/IPCThreadState.h>
 #include <utils/Log.h>
 
 namespace android {
+namespace hidl {
 
 // ------------ Text output streams
 
@@ -96,4 +97,5 @@
 sp<IServiceManager> gDefaultServiceManager;
 sp<IPermissionController> gPermissionController;
 
+}   // namespace hidl
 }   // namespace android