Merge remote-tracking branch 'goog/upstream-master' into nos-merge-upstream
* goog/upstream-master:
keymaster: update ExportKeyResponse message
Use NUGGET_REBOOT_HARD in citadel_updater --reboot
Added wait_for_interrupt.
keymaster: bump proto request buffer size
Add struct nugget_app_low_power_stats definition
Add NUGGET_PARAM_GET_LOW_POWER_STATS command
Fix arg parsing in citadel_updater
Add password support to citadel_updater
Add more Nugget Core commands for firmware updates
keymaster: bump size of params max_count
Remove unused NUGGET_PARAM_REVERSE command
Change-Id: Ie8d11ddac30bc322b6d2530a055b5a4ba32c9db9