Update translations, add Macedonian and Ukrainian.

briar-android/src/main/res/values-ar/strings.xml

briar-android/src/main/res/values-ca/strings.xml

briar-android/src/main/res/values-cs/strings.xml

briar-android/src/main/res/values-de/strings.xml

briar-android/src/main/res/values-es/strings.xml

briar-android/src/main/res/values-eu/strings.xml

briar-android/src/main/res/values-fa/strings.xml

briar-android/src/main/res/values-fi/strings.xml

briar-android/src/main/res/values-fr/strings.xml

briar-android/src/main/res/values-gl/strings.xml

briar-android/src/main/res/values-he/strings.xml

briar-android/src/main/res/values-hi/strings.xml

briar-android/src/main/res/values-hu/strings.xml

briar-android/src/main/res/values-it/strings.xml

briar-android/src/main/res/values-mk/strings.xml

briar-android/src/main/res/values-nl/strings.xml

briar-android/src/main/res/values-oc/strings.xml

briar-android/src/main/res/values-pl/strings.xml

briar-android/src/main/res/values-pt-rBR/strings.xml

briar-android/src/main/res/values-ro/strings.xml