Revert^2 "[rkpd_client] Add Error type to rkpd_client"

This reverts commit f84c46c3b3cad3ea4908ab44c361f637c7fcdb09.

Reason for revert: Reland the original cl aosp/2821995
with an adjustment about the Timeout error type in order
to maintain the original ResponseCode.

Test: atest RkpdAppIntegrationTests
Bug: 310139666
Change-Id: Id4ee05eb616c125f9d28b25f4668ca3071ccb26c
4 files changed