Rename ArmNN schema file to ArmnnSchema.fbs

This makes the header file change to ArmnnSchema_generated.h,
which is then unambiguous with respect to other generated schema files.

Change-Id: Id7785ed74cced4dcd4d6bcbab81e53c6aeba973c
Signed-off-by: Matthew Bentham <matthew.bentham@arm.com>
diff --git a/src/armnnSerializer/Serializer.cpp b/src/armnnSerializer/Serializer.cpp
index b4afd37..a0a640e 100644
--- a/src/armnnSerializer/Serializer.cpp
+++ b/src/armnnSerializer/Serializer.cpp
@@ -11,7 +11,7 @@
 
 #include <iostream>
 
-#include <Schema_generated.h>
+#include <ArmnnSchema_generated.h>
 
 #include <flatbuffers/util.h>