Adds missing '#include <iostream>' to a few files.

Removes '#include <iostream>' from Location.h which leads to
necessity to add missing imports.

Test: mma
Change-Id: I1b562ce1a08b7612c55f7eb62e41ca54d3292f80
diff --git a/CompoundType.cpp b/CompoundType.cpp
index 154b837..3b16798 100644
--- a/CompoundType.cpp
+++ b/CompoundType.cpp
@@ -21,6 +21,7 @@
 
 #include <android-base/logging.h>
 #include <hidl-util/Formatter.h>
+#include <iostream>
 #include <unordered_set>
 
 namespace android {