Hygiene: reorder PageTitle members and add annotations
Hygiene: reorder PageTitle members and add annotations

Reorder member variables and methods according to exposure and add a
couple missing annotations

Change-Id: Ib437ac91c2115b9dfc939a58d17776dd130b76e6

wikimedia/apps-android-wikipedia,dbrant/apps-android-wikipedia,SAGROUP2/apps-android-wikipedia,SAGROUP2/apps-android-wikipedia,wikimedia/apps-android-wikipedia,SAGROUP2/apps-android-wikipedia,dbrant/apps-android-wikipedia,wikimedia/apps-android-wikipedia,dbrant/apps-android-wikipedia,dbrant/apps-android-wikipedia,SAGROUP2/apps-android-wikipedia,wikimedia/apps-android-wikipedia,dbrant/apps-android-wikipedia,SAGROUP2/apps-android-wikipedia