ozone: evdev: make test data capture scripts Python 3-compatible

Python 3 became the default in January, causing the scripts to error
unless explicitly run with Python 2 (which will be removed from test
images soon).

Bug: none
Test: run scripts with Python 2 then 3, and compare the output
Change-Id: I6d4aef94cb3de45f710875f04449f756d0592cec
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2414769
Auto-Submit: Harry Cutts <hcutts@chromium.org>
Reviewed-by: Michael Spang <spang@chromium.org>
Commit-Queue: Michael Spang <spang@chromium.org>
Cr-Commit-Position: refs/heads/master@{#807552}

ui/events/ozone/evdev/capture_device_capabilities.py

@@ -17,16 +17,16 @@ TEST_DATA_GROUP_SIZE = 64  # Aligns with sysfs on 64-bit devices.
 
 
 def bits_to_groups(bits):
-  return (bits + TEST_DATA_GROUP_SIZE - 1) / TEST_DATA_GROUP_SIZE
+  return (bits + TEST_DATA_GROUP_SIZE - 1) // TEST_DATA_GROUP_SIZE
 
 
 # As in /sys/class/input/input*/capabilities/*
 def serialize_bitfield(bitfield, max_bit):
   result = ""
   group_count = bits_to_groups(max_bit)
-  for group in xrange(group_count - 1, -1, -1):
+  for group in range(group_count - 1, -1, -1):
     group_val = 0
-    for group_bit in xrange(TEST_DATA_GROUP_SIZE):
+    for group_bit in range(TEST_DATA_GROUP_SIZE):
       code = group * TEST_DATA_GROUP_SIZE + group_bit
       if code in bitfield:
         group_val |= (1 << group_bit)

ui/events/ozone/evdev/capture_test_events.py

@@ -35,7 +35,7 @@ def dump_events(out, dev):
               'code': CODE_NAMES[event.code],
               'value': event.value
           })
-  except KeyboardInterrupt, e:
+  except KeyboardInterrupt as e:
     pass
 
   out.write('};\n')