feat: add target sdk version

Author: AndroidLabs-org

app/src/main/java/org/androidlabs/applistbackup/BackupService.kt

@@ -285,6 +285,7 @@ class BackupService : Service() {
                         <strong>${getString(R.string.system_title)}:</strong> ${isSystem}<br>
                         <strong>${getString(R.string.enabled_title)}:</strong> ${appInfo.enabled}<br>
                         <strong>${getString(R.string.version_title)}:</strong> ${packageInfo.versionName} (${packageInfo.longVersionCode})<br>
+                        <strong>${getString(R.string.target_sdk_version_title)}:</strong> ${appInfo.targetSdkVersion}<br>
                         <strong>${getString(R.string.min_sdk_version_title)}:</strong> ${appInfo.minSdkVersion}<br>
                         <strong>${getString(R.string.installed_at_title)}:</strong> ${outputDateFormat.format(Date(packageInfo.firstInstallTime))}<br>
                         <strong>${getString(R.string.updated_at_title)}:</strong> ${outputDateFormat.format(Date(packageInfo.lastUpdateTime))}<br>

app/src/main/res/values/strings.xml

@@ -112,6 +112,7 @@
     <string name="system_title">System</string>
     <string name="enabled_title">Enabled</string>
     <string name="version_title">Version</string>
+    <string name="target_sdk_version_title">Target SDK version</string>
     <string name="min_sdk_version_title">Min SDK version</string>
     <string name="installed_at_title">Installed at</string>
     <string name="updated_at_title">Last update at</string>