keep updating travis

Author: frogermcs

.travis.yml

@@ -7,12 +7,16 @@ android:
 
     - extra-google-m2repository
     - extra-android-m2repository
+  licenses:
+    - 'android-sdk-preview-license-52d11cd2'
+    - 'android-sdk-license-.+'
+    - 'google-gdk-license-.+'
 
 jdk:
   - oraclejdk8
 
 before_install:
-  - yes | sdkmanager --licenses
+  - yes | sdkmanager "build-tools;29.0.2"
 
 notifications:
   email: true
@@ -22,4 +26,4 @@ cache:
     - $HOME/.m2
 
 script:
-    ./gradlew testDebugUnitTest testDebugUnitTestCoverage assembleDebug
+  ./gradlew testDebugUnitTest testDebugUnitTestCoverage assembleDebug