crash_dump: suppress denials on properties

Addresses:
avc: denied { read } for comm="crash_dump64"
name="u:object_r:bluetooth_prop:s0" dev="tmpfs" ino=17280
scontext=u:r:crash_dump:s0 tcontext=u:object_r:bluetooth_prop:s0
tclass=file

Test: build
Change-Id: I176038ea6add34b5277305073a20f9c1a930e74b
1 file changed