Enlarge cmd buffer size of FrameworkListener

Only Netd and Logd use FrameworkListener currently.
Run realted test to ensure anything are still fine.

Bug: 126307309
Test: built, flashed, booted
      system/netd/tests/runtests.sh pass
      atest CtsLogdTestCases

Change-Id: Iacd0cc13f23f457a0868a8a706080c3edc9a3cbd