Include extra HALs in dump state

- For debugging, more HALs including vendor HALs need to be included in
dumpstate.
- This CL includes HALs specified at read-only property
"ro.dump.hals.extra" when dumping processes.

Bug: 143622274
Test: Run dumpstate and check if HALs specified at "ro.dump.hals.extra"
property are included.

Change-Id: I4951cca2b7d04ca8b6354fc5afe8d3e479759e84
(cherry picked from commit 91949880f02918d313ca388306aa9075c0894b7c)