hwc: Handle the broken pipe issue between hwc and ppdaemon

If broken pipe is detected, close and then re-establish the connection
between hwc and ppdaemon.
Acked-by: Ping Li <pingli@codeaurora.org>

Bug: 9850103
Change-Id: I68ff21b93ab5b40608ca9ab4951adaa9d75fa17e
Signed-off-by: Iliyan Malchev <malchev@google.com>
1 file changed