Remove extraneous semicolon.

Bug: N/A
Test: build w/o -Wno-c++98-compat-extra-semi
Change-Id: I632d6df9a03485e547a6e7f14df0f1c068066c1e
diff --git a/libs/binder/include/binder/ActivityManager.h b/libs/binder/include/binder/ActivityManager.h
index 5f324c7..9108e31 100644
--- a/libs/binder/include/binder/ActivityManager.h
+++ b/libs/binder/include/binder/ActivityManager.h
@@ -89,7 +89,7 @@
 };
 
 
-}; // namespace android
+} // namespace android
 // ---------------------------------------------------------------------------
 #else // __ANDROID_VNDK__
 #error "This header is not visible to vendors"