[roll] Roll chromium version:73.0.3654.0

Test: CQ

Change-Id: I0af5f20ad1dd0572724aa24ce6153a1cfef3d5e6
diff --git a/tools/cipd.ensure b/tools/cipd.ensure
index 6c5d37a..94f3fc0 100644
--- a/tools/cipd.ensure
+++ b/tools/cipd.ensure
@@ -10,8 +10,8 @@
 
 # Chromium amd64 / x64 implementation
 @Subdir third_party/chromium/arch/x64
-chromium/fuchsia/webrunner-amd64 eknn-PQn37329Ykq-ikUNcbxXHNlkkoRoLcBiz0AyfEC
+chromium/fuchsia/webrunner-amd64 krWQjd-o4bhWKJ6_UIN9Knw3aJwY5zqulrhgjooDaJIC
 
 # Chromium arm64 / aarch64 implementation
 @Subdir third_party/chromium/arch/arm64
-chromium/fuchsia/webrunner-arm64 gdM74puSdvWyl9KJxDfOgPpeToaLahRZV7ww2TFDgHIC
+chromium/fuchsia/webrunner-arm64 2DcmXVVoxTQponAXFT6THPSbisRyUkeYsbYjvJsDbFwC