Convert protoc-gen-nanopb to python 3 am: cd9c9aa9f1 am: 495c9a97b5 am: e39787e039

Original change: https://android-review.googlesource.com/c/platform/external/nanopb-c/+/2208439

Change-Id: Iadc4e5106e64aece4ae7c93626747e81b73c2be1
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
diff --git a/generator/Android.bp b/generator/Android.bp
index cd7516c..343b0ca 100644
--- a/generator/Android.bp
+++ b/generator/Android.bp
@@ -22,12 +22,8 @@
    },
    libs: ["libprotobuf-python"],
    version: {
-       py2: {
-           enabled: true,
-           embedded_launcher: true,
-       },
        py3: {
-           enabled: false,
+           embedded_launcher: true,
        },
    },
 }