Update .gitlab-ci.yml

1 job for patch-1 in 1 minute and 22 seconds
Status Job ID Name Coverage
  Build
failed #885
docker:build:Qt:5.12.1

00:01:22

 
Name Stage Failure
failed
docker:build:Qt:5.12.1 Build
sh: 1: /opt/android-ndk-r19b//toolchains/arm-linux-androideabi-4.9/prebuilt/linux-x86_64/bin/arm-linux-androideabi-g++: not found
Project ERROR: Cannot run target compiler '/opt/android-ndk-r19b//toolchains/arm-linux-androideabi-4.9/prebuilt/linux-x86_64/bin/arm-linux-androideabi-g++'. Output:
===================
===================
Maybe you forgot to setup the environment?
Running after script...
$ docker rm ci-$CI_COMMIT_SHA-qt-android-docker
ci-cd37b8212dd748bef4cc2def564680f4eb956ab1-qt-android-docker
ERROR: Job failed: exit status 1