Remove semicolons after namespace declarations

Semicolons aren't needed after namespace declarations, and their
presence causes compiler errors with current clang master.

Change-Id: Id770c19b59bba461073dd579319f5900e59c5eef
Signed-off-by: Bernhard Rosenkränzer <Bernhard.Rosenkranzer@linaro.org>
diff --git a/transport/ServiceManagement.cpp b/transport/ServiceManagement.cpp
index e652c66..50a527a 100644
--- a/transport/ServiceManagement.cpp
+++ b/transport/ServiceManagement.cpp
@@ -734,7 +734,7 @@
     return nullptr;
 }
 
-}; // namespace details
+} // namespace details
 
-}; // namespace hardware
-}; // namespace android
+} // namespace hardware
+} // namespace android