Add flowtypes

deviceinfo.js.flow

+// @flow
+
+declare module.exports: {
+  getUniqueID: () => string,
+  getManufacturer: () => string,
+  getBrand: () => string,
+  getModel: () => string,
+  getDeviceId: () => string,
+  getSystemName: () => string,
+  getSystemVersion: () => string,
+  getBundleId: () => string,
+  getBuildNumber: () => string,
+  getVersion: () => string,
+  getReadableVersion: () => string,
+  getDeviceName: () => string,
+  getUserAgent: () => string,
+  getDeviceLocale: () => string,
+  getDeviceCountry: () => string,
+  getTimezone: () => string,
+  isEmulator: () => boolean,
+  isTablet: () => boolean,
+  isPinOrFingerprintSet: () => (cb: (isPinOrFingerprintSet: boolean) => void) => void,
+  getAPILevel: () => number,
+  getInstanceID: () => string,
+  getPhoneNumber: () => ?string,
+  getFirstInstallTime: () => number,
+  getLastUpdateTime: () => number,
+  getSerialNumber: () => string,
+  getIPAddress: () => Promise<string>,
+  getMACAddress: () => Promise<string>,
+}