Adapted Indentation in travis config file

Author: Drilon Reçica

.travis.yml

@@ -1,4 +1,5 @@
 language: android
+sudo: required
 dist: trusty
 jdk: oraclejdk
 
@@ -7,18 +8,17 @@ branches:
   - master
   - develop
 before_cache:
-  -rm -f $HOME/.gradle/caches/modules-2/modules-2.lock
-  -rm -fr $HOME/.gradle/caches/*/plugin-resolution/
+  - rm -f $HOME/.gradle/caches/modules-2/modules-2.lock
+  - rm -fr $HOME/.gradle/caches/*/plugin-resolution/
 cache:
   directories:
-  -$HOME/.gradle/caches/
-  -$HOME/.gradle/wrapper/
+  - $HOME/.gradle/caches/
+  - $HOME/.gradle/wrapper/
 env:
   global:
   - ANDROID_API=27
   - ANDROID_BUILD_TOOLS=27.0.3
 android:
-  sudo: false
   components:
   - tools
   - platform-tools