Process: Add support for using scheduler policies instead of cgroups.
Preference is given to cgroups if available.

Signed-off-by: San Mehat <san@google.com>
diff --git a/include/utils/threads.h b/include/utils/threads.h
index 0fc533f..f5304f7 100644
--- a/include/utils/threads.h
+++ b/include/utils/threads.h
@@ -90,6 +90,11 @@
     ANDROID_TGROUP_MAX              = ANDROID_TGROUP_FG_BOOST,
 };
 
+typedef enum {
+    SP_BACKGROUND = 0,
+    SP_FOREGROUND = 1,
+} SchedPolicy;
+
 // Create and run a new thread.
 extern int androidCreateThread(android_thread_func_t, void *);