OSPreferences_unix.cpp is used on Android only. So we should rename it to OSPreferences_android.cpp
Also, we should create android directory into intl/locale, then move OSPreferences_android.cpp and nsAndroidCharset.cpp into it.
MozReview-Commit-ID: 2CUbV1Yc2fu
--HG--
rename : intl/locale/unix/OSPreferences_unix.cpp => intl/locale/android/OSPreferences_android.cpp
rename : intl/locale/unix/nsAndroidCharset.cpp => intl/locale/android/nsAndroidCharset.cpp
extra : rebase_source : f677428cc899c767e784b9f2c793b84e3fd95c11