travis-ci: revert change that broke upgrading old Java

!637 (comment 159786747)
8 jobs for master in 22 minutes and 40 seconds (queued for 1 second)
Status Job ID Name Coverage
  Test
passed #194902348
debian_testing

00:12:36

passed #194902353
fedora_latest

00:12:24

passed #194902352
lint_format_safety_bandit_checks

00:03:06

passed #194902347
metadata_v0

00:04:15

passed #194902351
pip_install

00:01:36

passed #194902346
test

00:22:40

passed #194902349
ubuntu_lts

00:15:03

failed #194902350
ubuntu_trusty_pip

00:16:16

 
Name Stage Failure
failed
ubuntu_trusty_pip Test
+ /builds/fdroid/fdroidserver/fdroid publish
INFO: Creating log directory
INFO: 1 app, 1 key aliases
INFO: Processing unsigned/com.politedroid_6.apk
ERROR: No Android SDK found!
ERROR: You can use ANDROID_HOME to set the path to your SDK, i.e.:
ERROR: export ANDROID_HOME=/opt/android-sdk
CRITICAL: Android SDK not found!
ERROR: Job failed: exit code 1