bitbake: bitbake-hashclient: Output stats in JSON format

Outputting the stats in JSON format makes more sense as it's easier for
a downstream tool to parse if desired.

(Bitbake rev: 3a18066e479ab06bdb08e258fc4aacad5e73222e)

Signed-off-by: Joshua Watt <JPEWhacker@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

bitbake/bin/bitbake-hashclient

@@ -15,6 +15,7 @@ import threading
 import time
 import warnings
 import netrc
+import json
 warnings.simplefilter("default")
 
 try:
@@ -56,7 +57,7 @@ def main():
             s = client.reset_stats()
         else:
             s = client.get_stats()
-        pprint.pprint(s)
+        print(json.dumps(s, sort_keys=True, indent=4))
         return 0
 
     def handle_stress(args, client):