Add Transifex support

[main]

host = https://www.transifex.com

lang_map = he: iw, zh_TW: zh-rTW, es_MX: es-rMX, pt_BR: pt-rBR

[gmscore.strings]

file_filter = play-services-core/src/main/res/values-<lang>/strings.xml

source_file = play-services-core/src/main/res/values/strings.xml

source_lang = en

type = ANDROID

[gmscore.permissions]

file_filter = play-services-core/src/main/res/values-<lang>/permissions.xml

source_file = play-services-core/src/main/res/values/permissions.xml

source_lang = en

type = ANDROID