Clear spawnRunners in SandboxModule.
Otherwise the number of spawnRunners would increase by 2 in every Bazel
invocation.
RELNOTES: None
@@ -528,6 +528,8 @@ public final class SandboxModule extends BlazeModule {
sandboxBase = null;
}
+ spawnRunners.clear();
+
env.getEventBus().unregister(this);
env = null;
}
