Android, Unix: Move android_emulator_launcher.sh to unix folder

This script is currently located in the 'linux' directory. In future
patches, it will be reused by macOS and Linux hosts.

This patch moves it into the 'unix' folder.

Pick-to: 6.10 6.8
Change-Id: Ib03b999bef0373dc9600d505b1f4ce926fa97de6
Reviewed-by: Artem Dyomin <artem.dyomin@qt.io>
(cherry picked from commit fb6a8b0215)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>

coin/provisioning/common/linux/android_linux.sh

@@ -246,7 +246,7 @@ echo "no" | ./avdmanager create avd -n automotive_emulator_x86_64_api_29 -c 2048
 # To be used by the VMs to start the emulator for tests
 emulator_script_filename="android_emulator_launcher.sh"
 scripts_dir_name="$(dirname "$(readlink -f "${BASH_SOURCE[0]}")")"
-cp "${scripts_dir_name}/${emulator_script_filename}" "${HOME}"
+cp "${scripts_dir_name}/../unix/${emulator_script_filename}" "${HOME}"
 ANDROID_EMULATOR_RUNNER="${HOME}/${emulator_script_filename}"
 SetEnvVar "ANDROID_EMULATOR_RUNNER" "$ANDROID_EMULATOR_RUNNER"