adding OEM_ENTITLEMENT key container type.

[ Merge of http://go/wvgerrit/148691 ]

This is a followup to OEM_CONTENT,
a custom key container that was added to Widevine server.

Bug: 193006094
Bug: 236317198
Change-Id: I82285e4e50f981e0cedf2adac5910643f34f8e46

libwvdrmengine/oemcrypto/odk/include/odk_message.h

@@ -35,10 +35,10 @@ extern "C" {
  */
 
 #if defined(__GNUC__) || defined(__clang__)
-#  define ALIGNED __attribute__((aligned))
+#define ALIGNED __attribute__((aligned))
 #else
-#  define ALIGNED
-#  error ODK_Message must be aligned to the maximum useful alignment of the \
+#define ALIGNED
+#error ODK_Message must be aligned to the maximum useful alignment of the \
   machine you are compiling for. Define the ALIGNED macro accordingly.
 #endif