Target SDK 29

Build tools 29.0.1.
AndroidX 1.1.0-rc01.

Author: pranavpandey

.travis.yml

@@ -11,8 +11,8 @@ android:
   components:
     - tools
     - platform-tools
-    - build-tools-28.0.3
-    - android-28
+    - build-tools-29.0.1
+    - android-29
     - extra-android-support
     - extra-android-m2repository
     - extra-google-m2repository

build.gradle

@@ -16,11 +16,11 @@
 
 buildscript {
     ext.versions = [
-            'compileSdk'      : 28,
+            'compileSdk'      : 29,
             'minSdk'          : 18,
-            'targetSdk'       : 28,
-            'buildTools'      : '28.0.3',
-            'androidx'        : '1.0.2',
+            'targetSdk'       : 29,
+            'buildTools'      : '29.0.1',
+            'androidx'        : '1.1.0-rc01',
             'constraintlayout': '2.0.0-alpha3',
             'kotlin'          : '1.3.41'
     ]