omni: update Chromium to 66.0.3359.158 stable

Change-Id: I007637cdfe8b8d0fd4a8367f8396efb222d5d84e
diff --git a/prebuilt/app/Chromium/32bit/MonochromePublic.apk b/prebuilt/app/Chromium/32bit/MonochromePublic.apk
index 19eb6ad..6c3c1d2 100644
--- a/prebuilt/app/Chromium/32bit/MonochromePublic.apk
+++ b/prebuilt/app/Chromium/32bit/MonochromePublic.apk
Binary files differ