init: create android::init:: namespace

With some small fixups along the way

Test: Boot bullhead
Test: init unit tests
Change-Id: I7beaa473cfa9397f845f810557d1631b4a462d6a
diff --git a/init/ueventd_parser.h b/init/ueventd_parser.h
index c1ce976..592df63 100644
--- a/init/ueventd_parser.h
+++ b/init/ueventd_parser.h
@@ -23,6 +23,9 @@
 #include "devices.h"
 #include "init_parser.h"
 
+namespace android {
+namespace init {
+
 class SubsystemParser : public SectionParser {
   public:
     SubsystemParser(std::vector<Subsystem>* subsystems) : subsystems_(subsystems) {}
@@ -43,4 +46,7 @@
                           std::vector<SysfsPermissions>* out_sysfs_permissions,
                           std::vector<Permissions>* out_dev_permissions);
 
+}  // namespace init
+}  // namespace android
+
 #endif