Android app will restart when I back from background task

[kurisu994]

Description

Every time I return from background task, the Android application will reload bundleJS

React Native version:

System:
    OS: macOS 10.15.4
    CPU: (4) x64 Intel(R) Core(TM) i5-7500 CPU @ 3.40GHz
    Memory: 154.72 MB / 32.00 GB
    Shell: 5.7.1 - /bin/zsh
  Binaries:
    Node: 10.16.3 - /usr/local/bin/node
    Yarn: 1.22.0 - ~/.yarn/bin/yarn
    npm: 6.14.2 - /usr/local/bin/npm
    Watchman: 4.9.0 - /usr/local/bin/watchman
  SDKs:
    iOS SDK:
      Platforms: iOS 13.4, DriverKit 19.0, macOS 10.15, tvOS 13.4, watchOS 6.2
    Android SDK:
      API Levels: 13, 21, 22, 23, 24, 25, 26, 27, 28
      Build Tools: 25.0.2, 27.0.3, 28.0.2, 28.0.3
      System Images: android-28 | Google APIs Intel x86 Atom
  IDEs:
    Android Studio: 3.5 AI-191.8026.42.35.5791312
    Xcode: 11.4/11E146 - /usr/bin/xcodebuild
  npmPackages:
    react: 16.9.0 => 16.9.0
    react-native: 0.61.5 => 0.61.5
  npmGlobalPackages:
    react-native-cli: 2.0.1

Steps To Reproduce

Every time I return from background task, the Android application will reload bundleJS