[code-health] Migrate //third_party/android_platform/development/scripts/PRESUBMIT.py to python3

Bug: 1212062
Change-Id: I681ded502c3f84aaec2f63fc4c1005447de87dad
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2976550
Auto-Submit: Fabrice de Gans <fdegans@chromium.org>
Commit-Queue: Ross McIlroy <rmcilroy@chromium.org>
Reviewed-by: Ross McIlroy <rmcilroy@chromium.org>
Cr-Commit-Position: refs/heads/master@{#896485}
NOKEYCHECK=True
GitOrigin-RevId: e971bb9a7bdc1947560b1c418619aa0fcbdc2ae5
diff --git a/development/scripts/PRESUBMIT.py b/development/scripts/PRESUBMIT.py
index 6260f12..414635f 100644
--- a/development/scripts/PRESUBMIT.py
+++ b/development/scripts/PRESUBMIT.py
@@ -8,6 +8,9 @@
 """
 
 
+USE_PYTHON3 = True
+
+
 def CommonChecks(input_api, output_api):
   output = []
   output.extend(input_api.canned_checks.RunPylint(input_api, output_api))