Update mojo sdk to rev 59145288bae55b0fce4276b017df6a1117bcf00f

mojo/edk/system/awakable.h

Index: mojo/edk/system/awakable.h
diff --git a/mojo/edk/system/awakable.h b/mojo/edk/system/awakable.h
index 5479912965d373da52c71e2aa2b0b531f76b830b..057d3ebf4f84d2405e000032e6815f03110c7821 100644
--- a/mojo/edk/system/awakable.h
+++ b/mojo/edk/system/awakable.h
@@ -20,7 +20,9 @@ class MOJO_SYSTEM_IMPL_EXPORT Awakable {
   // * As this is called from any thread, this must be thread-safe.
   // * As this is called inside a lock, this must not call anything that takes
   //   "non-terminal" locks, i.e., those which are always safe to take.
-  virtual void Awake(MojoResult result, uintptr_t context) = 0;
+  // This should return false if this must not be called again for the same
+  // reason (e.g., for the same call to |AwakableList::Add()|).
+  virtual bool Awake(MojoResult result, uintptr_t context) = 0;
 
  protected:
   Awakable() {}