lmkd: set PSI_POLL_PERIOD to 10ms

Occasionally we see cases when 40ms polling is still too conservative.
Change to 10ms polling period. Since the polling happens only after PSI
signal and continues for 1sec this should not affect system performance.

Test: lmkd_unit_test
Bug: 129358844

Change-Id: Ib759b865b2104be23741fc0eacaa541e22d50dde
Signed-off-by: Suren Baghdasaryan <surenb@google.com>