remove extra semicolons [-Wextra-semi]

Bug: n/a
Test: no errors with -Werror,-Wextra-semi
Change-Id: If523cadea4c6f02a9155fb7482ba5463fff7854a
diff --git a/libs/binder/IActivityManager.cpp b/libs/binder/IActivityManager.cpp
index 1eb5363..b81995c 100644
--- a/libs/binder/IActivityManager.cpp
+++ b/libs/binder/IActivityManager.cpp
@@ -108,6 +108,6 @@
 
 // ------------------------------------------------------------------------------------
 
-IMPLEMENT_META_INTERFACE(ActivityManager, "android.app.IActivityManager");
+IMPLEMENT_META_INTERFACE(ActivityManager, "android.app.IActivityManager")
 
 } // namespace android