binder: fix all warnings

Fix warnings related to casting pointers to ints, using %d or %ld to
print size_t/ssize_t, and unused parameters.

Change-Id: I7a13ba83d402952989c1f795cd9e880a95b98d9e
diff --git a/libs/binder/Debug.cpp b/libs/binder/Debug.cpp
index a8b6e83..0ffafbb 100644
--- a/libs/binder/Debug.cpp
+++ b/libs/binder/Debug.cpp
@@ -38,7 +38,7 @@
 
 // ---------------------------------------------------------------------
 
-static void defaultPrintFunc(void* cookie, const char* txt)
+static void defaultPrintFunc(void* /*cookie*/, const char* txt)
 {
     printf("%s", txt);
 }