Conformance tests: Mark pytype as passing annotations_coroutines (#1771)

It appears to produce the correct output.

Part of #1692

Author: JelleZijlstra

conformance/results/pytype/annotations_coroutines.toml

@@ -1,7 +1,4 @@
-conformant = "Partial"
-notes = """
-Does not evaluate correct type for async function.
-"""
+conformant = "Pass"
 output = """
 
 """

conformance/results/results.html

@@ -178,7 +178,7 @@ <h3>Python Type System Conformance Test Results</h3>
 <th class="column col2 conformant">Pass</th>
 <th class="column col2 conformant">Pass</th>
 <th class="column col2 conformant">Pass</th>
-<th class="column col2 partially-conformant"><div class="hover-text">Partial<span class="tooltip-text" id="bottom"><p>Does not evaluate correct type for async function.</p></span></div></th>
+<th class="column col2 conformant">Pass</th>
 </tr>
 <tr><th class="column col1">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;annotations_forward_refs</th>
 <th class="column col2 partially-conformant"><div class="hover-text">Partial<span class="tooltip-text" id="bottom"><p>Does not report error for a forward reference that is not enclosed in quotes.</p><p>Does not report error for use of quoted type with "|" operator (runtime error).</p><p>Incorrectly generates error for quoted type defined in class scope.</p></span></div></th>