crash_dump: disallow ptrace of TCB components

Remove permissions.

Bug: 110107376
Test: kill -6 <components excluded from ptrace>
Change-Id: If8b9c932af03a551e40e786d591544ecdd4e5c98
Merged-In: If8b9c932af03a551e40e786d591544ecdd4e5c98
(cherry picked from commit f1554f1588eab05eca7eb7ccba41d5955a563837)
(cherry picked from commit 573d333589bd1bac02e35f0bd6958758ca65ae9e)
4 files changed