scripts: androidScreenshotTest: Fail on first error

Signed-off-by: Álvaro Brey Vilas <alvaro.brey@nextcloud.com>

scripts/androidScreenshotTest

@@ -1,4 +1,5 @@
 #!/bin/bash
+set -e
 
 if [ $# -lt 2 ]; then
     echo "1: record: true/false