Switch to using Ubuntu for Android emulator tests.

Author: freakboy3742

.github/workflows/ci.yml

@@ -90,10 +90,21 @@ jobs:
             briefcase-run-args: ' -d "iPhone SE (3rd generation)"'
 
           - backend: android
-            runs-on: macos-latest
+            runs-on: "ubuntu-latest"
             briefcase-target: "android"
-            briefcase-run-args: " -d '{\"avd\":\"beePhone\"}' --Xemulator=-no-window --Xemulator=-no-snapshot --Xemulator=-no-audio --Xemulator=-no-boot-anim --shutdown-on-exit"
-
+            briefcase-run-args: >
+              --device '{"avd":"beePhone"}'
+              --Xemulator=-no-window
+              --Xemulator=-no-snapshot
+              --Xemulator=-no-audio
+              --Xemulator=-no-boot-anim
+              --shutdown-on-exit
+            pre-command: |
+              # allow access to KVM to run the emulator
+              echo 'KERNEL=="kvm", GROUP="kvm", MODE="0666", OPTIONS+="static_node=kvm"' \
+                | sudo tee /etc/udev/rules.d/99-kvm4all.rules
+              sudo udevadm control --reload-rules
+              sudo udevadm trigger --name-match=kvm
         exclude:
           # Binary packages aren't available for 3.11+ on Android yet
           - backend: "android"