Install the update-payload-key in the recovery image as well.

The update-payload-key is required to verify the contents of the OTA in
recovery while sideloading an update.

Bug: 27178350
TEST=`make` builds a boot.img with the payload key in recovery.

Change-Id: I04616979023b84aa4a1feb6916db2b2725b25c54
1 file changed