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