[roll] Roll external/github.com/catapult-project/catapult b026043..b20529a (2 commits)

b20529a [soundwave] Fix encoding when building RequestError message
e180c3c [pinpoint_cli] Fix bug when iterating over output isolates

Test: CQ

Change-Id: I7cac04a930318230000defdfb89073fd9aab702d
diff --git a/manifest/third_party b/manifest/third_party
index a672219..a166b42 100644
--- a/manifest/third_party
+++ b/manifest/third_party
@@ -17,7 +17,7 @@
     <project name="external/github.com/catapult-project/catapult"
              path="third_party/catapult"
              remote="https://chromium.googlesource.com/catapult"
-             revision="b026043a43f9ce3f37c1cd57269f92cb8bee756c"/>
+             revision="b20529ac11a6b779aee789e14499d84f0592212e"/>
     <project name="libc-tests"
              path="third_party/libc-tests"
              remote="https://fuchsia.googlesource.com/libc-tests"