allow dumpstate to work with dmesg_restrict=1

Ensure that dumpstate has the CAP_SYSLOG permission, so that
it can always read the kernel syslog buffer. This is needed
to ensure that "adb bugreport" shows the dmesg log buffer.

Bug: 5585365
Change-Id: I4b561b77ada83dc875de80fe3ed15743c5958d09
3 files changed