Linux Android Scenarios builder is failing on LUCI #86427
Description
The "Linux Android Scenarios" builder on LUCI has been failing consistently. It times out after 50 minutes.
The log ends with:
dev.flutter.scenarios.EngineLaunchE2ETest > initializationError[android_23_google_apis_x86(AVD) - 6.0] FAILED
java.lang.NoClassDefFoundError: java.util.concurrent.CompletableFuture
at libcore.reflect.InternalNames.getClass(InternalNames.java:55)
Example: https://ci.chromium.org/p/flutter/builders/try/Linux%20Android%20Scenarios/12592?