[MP03] Refactor probing class

Refactor probing class to allow sending probe via thread class
in legacy send parallel probes function and also refactor for
follow up commit to send multiple probes.

Bug: 139034276
Test: atest NetworkStackTests NetworkStackNextTests
Test: manually test with resource configuration
Change-Id: Ia25bfe58b10b0a1a641a2be535ee0d602ffd8cd6