omni: update chromium prebuilts to 50.0.2652.0

Change-Id: I15e25d761a1ab80a69f46f0d229ce235af946006
diff --git a/prebuilt/app/Chromium/32bit/ChromePublic.apk b/prebuilt/app/Chromium/32bit/ChromePublic.apk
index 1fbf74a..268c21f 100644
--- a/prebuilt/app/Chromium/32bit/ChromePublic.apk
+++ b/prebuilt/app/Chromium/32bit/ChromePublic.apk
Binary files differ
diff --git a/prebuilt/app/Chromium/64bit/ChromePublic.apk b/prebuilt/app/Chromium/64bit/ChromePublic.apk
index 5bed88a..6737f99 100644
--- a/prebuilt/app/Chromium/64bit/ChromePublic.apk
+++ b/prebuilt/app/Chromium/64bit/ChromePublic.apk
Binary files differ