Fix UidAtomTests error

Add try catch for Float.parse() because the input is not a Float, also
put default value for system settings

Fixes: 154676196
Test: atest android.cts.statsd.atom.UidAtomTests#testSettingsStatsReported
Change-Id: I3cf7dd93d08e5868cf6feabe0b701742a1ed7015
1 file changed
tree: f9de76f6345e9b145547bf2fc6bb535a41c29dc3
  1. tests/