Make sure that SILResultInfo::{getWithInterfaceType,getWithConvention}() propagates result options.

I discovered this while trying to figure out why we were dropping a sending bit
when computing a reabstraction thunk in the tests for the following commit. This
turned out to be the reason why.

(cherry picked from commit bd37998)

Author: gottesmm

include/swift/AST/Types.h

@@ -4789,12 +4789,12 @@ class SILResultInfo {
   SILType getSILStorageInterfaceType() const;
   /// Return a version of this result info with the type replaced.
   SILResultInfo getWithInterfaceType(CanType type) const {
-    return SILResultInfo(type, getConvention());
+    return SILResultInfo(type, getConvention(), getOptions());
   }
 
   /// Return a version of this result info with the convention replaced.
   SILResultInfo getWithConvention(ResultConvention c) const {
-    return SILResultInfo(getInterfaceType(), c);
+    return SILResultInfo(getInterfaceType(), c, getOptions());
   }
 
   // Does this result convention require indirect storage? This reflects a