Add AIBinder_setInheritRt param

Bug: 209338827

Change-Id: Ic2617bafed35261c4fd066519b0a260dae1e8f4e
diff --git a/libs/binder/ndk/include_platform/android/binder_ibinder_platform.h b/libs/binder/ndk/include_platform/android/binder_ibinder_platform.h
index 0549198..89f21dd 100644
--- a/libs/binder/ndk/include_platform/android/binder_ibinder_platform.h
+++ b/libs/binder/ndk/include_platform/android/binder_ibinder_platform.h
@@ -74,6 +74,7 @@
  * This must be called before the object is sent to another process. Not thread
  * safe.
  *
+ * \param binder local server binder to set the policy for
  * \param inheritRt whether to inherit realtime scheduling policies (default is
  *     false).
  */