Changes to fix Android emulators boot issues on Linux

eng/devices/android.cake

@@ -593,6 +593,33 @@ void PrepareDevice(bool waitForBoot)
 		settings.Serial = DEVICE_UDID;
 	}
 
+    // Ensure adbkey and adbkey.pub are in place in CI builds
+    if (IsCIBuild())
+    {
+        Information("Ensuring ADB keys are correctly configured for CI environment...");
+        try
+        {
+            var adbKeyPath = System.IO.Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.UserProfile), ".android");
+            var adbKeyFile = System.IO.Path.Combine(adbKeyPath, "adbkey");
+            var adbKeyPubFile = System.IO.Path.Combine(adbKeyPath, "adbkey.pub");
+
+            // Deletes existing adbkey and adbkey.pub files in the ~/.android directory to ensure no stale keys remain
+            if (System.IO.File.Exists(adbKeyFile)) System.IO.File.Delete(adbKeyFile);
+            if (System.IO.File.Exists(adbKeyPubFile)) System.IO.File.Delete(adbKeyPubFile);
+
+            // Regenerates ADB keys using AdbKillServer and AdbStartServer
+            Information("Regenerating ADB keys...");
+            AdbKillServer(settings);
+            AdbStartServer(settings);
+
+            Information("ADB keys have been successfully regenerated.");
+        }
+        catch (Exception ex)
+        {
+            Warning($"Error ensuring ADB keys: {ex.Message}");
+        }
+    }
+
 	if (waitForBoot)
 	{
 		Information("Waiting for the emulator to finish booting...");