[build] Update RBE implicit inputs for new checked-in SDK.

Change-Id: I1c6b64b63dca75d49a0c6af78f49d778ffbcc419
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/400060
Reviewed-by: Siva Annamalai <[email protected]>
Commit-Queue: Ryan Macnak <[email protected]>

Author: rmacnak-google

build/rbe/rewrapper_dart.py

@@ -367,10 +367,13 @@ def parse_compile(self):
         while self.has_next_arg:
             arg = self.next_arg()
             if arg == 'js':
+                self.extra_paths.add(
+                    self.rebase(os.path.join(self.dart_subdir,
+                                             'dartaotruntime')))
                 self.extra_paths.add(
                     self.rebase(
                         os.path.join(self.dart_subdir,
-                                     'snapshots/dart2js.dart.snapshot')))
+                                     'snapshots/dart2js_aot.dart.snapshot')))
                 return self.parse_dart2js()
             else:
                 self.unsupported('compile', arg)