Separate TalkBack description resources

java/res/values-af/strings-talkback-descriptions.xml

java/res/values-af/strings.xml

java/res/values-am/strings-talkback-descriptions.xml

java/res/values-am/strings.xml

java/res/values-ar/strings-talkback-descriptions.xml

java/res/values-ar/strings.xml

java/res/values-az-rAZ/strings-talkback-descriptions.xml

java/res/values-az-rAZ/strings.xml

java/res/values-bg/strings-talkback-descriptions.xml

java/res/values-bg/strings.xml

java/res/values-ca/strings-talkback-descriptions.xml

java/res/values-ca/strings.xml

java/res/values-cs/strings-talkback-descriptions.xml

java/res/values-cs/strings.xml

java/res/values-da/strings-talkback-descriptions.xml

java/res/values-da/strings.xml

java/res/values-de/strings-talkback-descriptions.xml

java/res/values-de/strings.xml

java/res/values-el/strings-talkback-descriptions.xml

java/res/values-el/strings.xml