Bump versionCode.
Bump versionCode.

Actually bump it by a few numbers, to make room for possible updates for
APKs that are specific to API <19.

Change-Id: I89c3a0d60d4a063713fb8464c8b5096f4a1ec691

dbrant/apps-android-wikipedia,wikimedia/apps-android-wikipedia,wikimedia/apps-android-wikipedia,wikimedia/apps-android-wikipedia,dbrant/apps-android-wikipedia,wikimedia/apps-android-wikipedia,dbrant/apps-android-wikipedia,dbrant/apps-android-wikipedia,dbrant/apps-android-wikipedia