uses AVD manager simulation with android studio.
ran normally yesterday and reported an error when running today.
Execution failed for task ":app:installDebug".
> com.android.builder.testing.api.DeviceException: Could not create ADB Bridge.
(1) Test port
adb devices display
List of devices attached
* daemon not running; starting now at tcp:5037
could not read ok from ADB Server
* failed to start daemon
error: cannot connect to daemon
(2) Test build environment
react-native init HelloworldProject
cd HelloworldProject
react-native run-android error
Execution failed for task ":app:installDebug".
> com.android.builder.testing.api.DeviceException: Could not create ADB Bridge.