Remove useless android dependencies

 # Changelog
 
+## 3.6.4
+
+- Remove useless android dependencies, reduces the final apk file size.
+
 ## 3.6.3
 
 - Fix Android compilation issues

@@ -8,7 +8,7 @@ buildscript {
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.3.1'
+        classpath 'com.android.tools.build:gradle:3.5.0'
     }
 }
 
@@ -22,17 +22,12 @@ rootProject.allprojects {
 apply plugin: 'com.android.library'
 
 android {
-    compileSdkVersion 28
+    compileSdkVersion 29
 
     defaultConfig {
         minSdkVersion 16
-        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
     }
     lintOptions {
         disable 'InvalidPackage'
     }
 }
-
-dependencies {
-    api 'androidx.appcompat:appcompat:1.0.2'
-}

@@ -4,7 +4,7 @@ description: Plugin that allows Flutter apps to generate and print documents to
 homepage: https://github.com/DavBfr/dart_pdf/tree/master/printing
 repository: https://github.com/DavBfr/dart_pdf
 issue_tracker: https://github.com/DavBfr/dart_pdf/issues
-version: 3.6.3
+version: 3.6.4
 
 environment:
   sdk: ">=2.3.0 <3.0.0"