Add framework_watchdog_config_prop

The framework_watchdog_config_prop properties control framework watchdog
configurations to handle watchdog timeout loop. The properties are
written only by vendor_init.

More details and background: go/break-sys-watchdog-loop

Bug: 141948707
Change-Id: I6c0da5fdafba8165e79d0f04e0a82874f605a06d
4 files changed