Fix library dependency, remove undeclarate deps

Remove undeclared dependency of libhwcomposer-client on Hwc.h which
created a circular dependency.

Test: Manual
Change-Id: I74d5c4e2db5d247f8b406d1ea42fece41e76659d
diff --git a/graphics/composer/2.1/default/ComposerClient.cpp b/graphics/composer/2.1/default/ComposerClient.cpp
index a2d5d4b..d599b44 100644
--- a/graphics/composer/2.1/default/ComposerClient.cpp
+++ b/graphics/composer/2.1/default/ComposerClient.cpp
@@ -21,7 +21,7 @@
 #include <log/log.h>
 
 #include "ComposerClient.h"
-#include "Hwc.h"
+#include "ComposerBase.h"
 #include "IComposerCommandBuffer.h"
 
 namespace android {