Import translations. DO NOT MERGE

Change-Id: Icaa963b96854d2b5b8f24c9fdad72783197c196b
Auto-generated-cl: translation import
Exempt-From-Owner-Approval: translation import
diff --git a/PermissionController/res/values-bg/strings.xml b/PermissionController/res/values-bg/strings.xml
index c94bbab..ec6ae0d 100644
--- a/PermissionController/res/values-bg/strings.xml
+++ b/PermissionController/res/values-bg/strings.xml
@@ -21,7 +21,7 @@
     <string name="install" msgid="5896438203900042068">"Инсталиране"</string>
     <string name="done" msgid="3889387558374211719">"Готово"</string>
     <string name="security_settings_desc" msgid="2706691034244052604">"Да се разреши на това приложение следното:"</string>
-    <string name="cancel" msgid="8360346460165114585">"Отказ"</string>
+    <string name="cancel" msgid="8360346460165114585">"Назад"</string>
     <string name="unknown" msgid="4742479012767208045">"Неизвестно"</string>
     <string name="installing" msgid="8613631001631998372">"Инсталира се..."</string>
     <string name="installing_app" msgid="4097935682329028894">"<xliff:g id="PACKAGE_LABEL">%1$s</xliff:g> се инсталира…"</string>