【Android】"app_name" is not translated in "af" (Afrikaans)........ のエラーを解消する

Androidでビルドをした際に、下記のようなエラーが発生しました。 [c] 説明リソースパスロケーション型 "app_name" is not translated in "af" (Afrikaans), "am" (Amharic), "ar" (Arabic), "bg" (Bulgarian), "bn-rBD" (Bengali: Bangladesh), "ca" (Catalan), "cs" (Czech), "da" (Danish), "de" (German), "el" (Greek), "en-rGB" (English: United Kingdom), "en-rIN" (English: India), "es" (Spanish), "es-rUS" (Spanish: United States), "et-rEE" (Estonian: Estonia), "eu-rES" (Basque: Spain), "fa" (Persian), "fi" (Finnish), "fr" (French), "fr-rCA" (French: Canada), "gl-rES" (Galician: Spain), "hi" (Hindi), "hr" (Croatian), "hu" (Hungarian), "hy-rAM" (Armenian: Armenia), "in" (Indonesian), "is-rIS" (Icelandic: Iceland), "it" (Italian), "iw" (Hebrew), "ka-rGE" (Georgian: Georgia), "kk-rKZ" (Kazakh: Kazakhstan), "km-rKH" (Khmer: Cambodia), "kn-rIN" (Kannada: India), "ko" (Korean), "ky-rKG" (Kyrgyz: Kyrgyzstan), "lo-rLA" (Lao: Lao People's Democratic Republic), "lt" (Lithuanian), "lv" (Latvian), "mk-rMK" (Macedonian: Macedonia, the former Yugoslav Republic of), "ml-rIN" (Malayalam: India), "mn-rMN" (Mongolian: Mongolia), "mr-rIN" (Marathi: India), "ms-rMY" (Malay: Malaysia), "my-rMM" (Burmese: Myanmar), "nb" (Norwegian Bokmål), "ne-rNP" (Nepali: Nepal), "nl" (Dutch), "pl" (Polish), "pt" (Portuguese), "pt-rBR" (Portuguese: Brazil), "pt-rPT" (Portuguese: Portugal), "ro" (Romanian), "ru" (Russian), "si-rLK" (Sinhala: Sri Lanka), "sk" (Slovak), "sl" (Slovene), "sr" (Serbian), "sv" (Swedish), "sw" (Swahili), "ta-rIN" (Tamil: India), "te-rIN" (Telugu: India), "th" (Thai), "tl" (Tagalog), "tr" (Turkish), "uk" (Ukrainian), "ur-rPK" (Urdu: Pakistan), "uz-rUZ" (Uzbek: Uzbekistan), "vi" (Vietnamese), "zh-rCN" (Chinese: China), "zh-rHK" (Chinese: Hong Kong), "zh-rTW" (Chinese: Taiwan, Province of China), "zu" (ズールー語) strings.xml /MyZoo/res/values 行 3 Android Lint Problem [/c]

Android用のアプリを何回か出しているのですが、こんなエラーは初めてです。今回はこのエラーの解決方法を紹介します。