Denials:
04-12 12:42:47.795   903   903 W traced_probes: type=1400 audit(0.0:5684): avc: denied { search } for name="1376" dev="proc" ino=204553 scontext=u:r:traced_probes:s0 tcontext=u:r:untrusted_app_27:s0:c512,c768 tclass=dir permissive=0
04-12 12:42:47.795   903   903 W traced_probes: type=1400 audit(0.0:5685): avc: denied { search } for name="1402" dev="proc" ino=204554 scontext=u:r:traced_probes:s0 tcontext=u:r:platform_app:s0:c512,c768 tclass=dir permissive=0
04-12 12:42:47.801   903   903 W traced_probes: type=1400 audit(0.0:5686): avc: denied { search } for name="1496" dev="proc" ino=204557 scontext=u:r:traced_probes:s0 tcontext=u:r:untrusted_app:s0:c85,c256,c512,c768 tclass=dir permissive=0
04-12 12:42:47.805   903   903 W traced_probes: type=1400 audit(0.0:5687): avc: denied { search } for name="1758" dev="proc" ino=204563 scontext=u:r:traced_probes:s0 tcontext=u:r:priv_app:s0:c512,c768 tclass=dir permissive=0

Bug: 77955286

Change-Id: If0985d3ddd7d14c2b139be1c842c9c8df99b90db

See also go/perfetto-io-tracing-security.

* Grant CAP_DAC_READ_SEARCH to traced_probes.
* Allow traced_probes to list selected labels.
* Change ext4 and f2fs events to be available on user builds.

Bug: 74584014
Cherry-picked from aosp/631805
Change-Id: I891a0209be981d760a828a69e4831e238248ebad
Merged-In: I891a0209be981d760a828a69e4831e238248ebad