omni: update chromium to 68.0.3440.70

Change-Id: I542d72f059cf5d00b4fe046fee7b10da3b3a17db
diff --git a/prebuilt/app/Chromium/32bit/MonochromePublic.apk b/prebuilt/app/Chromium/32bit/MonochromePublic.apk
index f8f12c8..c821281 100644
--- a/prebuilt/app/Chromium/32bit/MonochromePublic.apk
+++ b/prebuilt/app/Chromium/32bit/MonochromePublic.apk
Binary files differ