Android OS can kill renderer processes.  Clank tries to separately track OOM kills that affect foreground VS background content.  Existing metrics are described in go/clank-renderer-oom (google internal only - sorry).

We should try tweaking the metrics, so it is possible to distinguish foreground OOM kill that 1) affects the main page content VS 2) affects only secondary/TDI content.

Having such tweaked metrics is probably a prerequisite for running a TDI trial on Android.