suppress default string resources build warnings from aapt by default
    make bacon SHOW_DEFAULT_TRANSLATION_WARNINGS:=1       to see them
show non-default string resource build watnings from aapt by default
    make bacon HIDE_LOCALIZATION_WARNINGS:=1        to hide them

http://gerrit.sudoservers.com/#/c/4275/

Change-Id: I0f6e89dfc5fcbe2c11ecae800c990ba86f4b7b4b