ci: android delete AVD lockfile when running from cached image

[kralo]

working against

  /bin/sh -c \/Users/runner/Library/Android/sdk/emulator/emulator -avd test -no-window -no-snapshot-save -gpu swiftshader_indirect -noaudio -no-boot-anim -camera-back none -snapshot 28-x86+termux-v0.118.0 &
  INFO    | Android emulator version 33.1.24.0 (build_id 11237101) (CL:N/A)
  INFO    | Found systemPath /Users/runner/Library/Android/sdk/system-images/android-28/default/x86/
  ERROR   | Running multiple emulators with the same AVD 
  ERROR   | is an experimental feature.
  ERROR   | Please use -read-only flag to enable this feature.
  INFO    | Storing crashdata in: , detection is enabled for process: 1367
  INFO    | Duplicate loglines will be removed, if you wish to see each individual line launch with the -log-nofilter flag.
  INFO    | Increasing RAM size to 1536MB

[kralo]

this has the launch of the emulator running more nicely, as evidenced by execution runs/7709233736/job/21009988876

next up will be fixing the test issues in a separate PR

/bin/sh -c util/android-commands.sh tests
Running tests
launching termux
Starting: Intent { cmp=com.termux/.HomeActivity }
Warning: Activity not started, intent has been delivered to currently running top-most instance.
waiting for launch.probe
waiting for launch.probe
/sdcard/launch.probe
found launch.probe
removed launch.probe
Running command: export PATH=$HOME/.cargo/bin:$PATH; export RUST_BACKTRACE=1; export CARGO_TERM_COLOR=always; export CARGO_INCREMENTAL=0; cd ~/coreutils; timeout --preserve-status --verbose -k 1m 60m cargo nextest run --profile ci --hide-progress-bar --features feat_os_unix_android; echo $? >/sdcard/tests.probe
run_termux_command with timeout=3600 / retries=10 / sleep_interval=10
Waiting for /sdcard/tests.probe: adb: error: failed to stat remote object '/sdcard/tests.log': No such file or directory
Waiting for /sdcard/tests.probe: adb: error: failed to stat remote object '/sdcard/tests.log': No such file or directory
Waiting for /sdcard/tests.probe: adb: error: failed to stat remote object '/sdcard/tests.log': No such file or directory
No output received. Trying to fix the issue ... (9 retries left)
Waiting for /sdcard/tests.probe: adb: error: failed to stat remote object '/sdcard/tests.log': No such file or directory
Waiting for /sdcard/tests.probe: adb: error: failed to stat remote object '/sdcard/tests.log': No such file or directory
Waiting for /sdcard/tests.probe: adb: error: failed to stat remote object '/sdcard/tests.log': No such file or directory
No output received. Trying to fix the issue ... (8 retries left)

[cakebaker]

Thanks for your PR :)