Revert "getCallingSid: get calling security context"

This reverts commit 96108497705c3ba22f02f4869fa70af1a97d0574.

Reason for revert: Breaks QCOM prebuilts.

Bug: 122551831
Bug: 121035042
Change-Id: I9296b6cc3aa9530e4b46ff7bdb4516d0fa68eb98
Test: reverting stops cnd crashing on crosshatch
(cherry picked from commit 61d78e2bea02c381bf2b030a986ceb1136bb200a)
7 files changed