Adjust matrix generation

Author: mhsmith

.github/workflows/build.yml

@@ -398,14 +398,13 @@ jobs:
       run: ./python Lib/test/ssltests.py
 
   build-android:
-    name: "Android"
+    name: Android (${{matrix.arch}})
     needs: build-context
     if: needs.build-context.outputs.run-tests == 'true'
     timeout-minutes: 60
     strategy:
       fail-fast: false
       matrix:
-        arch: [aarch64, x86_64]
         include:
           # Use the same runs-on configuration as build-macos and build-ubuntu.
           - arch: aarch64