Update android gradle plugin to 3.5.2

app/build.gradle

@@ -17,24 +17,10 @@ android {
     lintOptions {
         abortOnError false
     }
-
-    buildTypes {
-        debug {
-            minifyEnabled false
-            proguardFile 'proguard.pro'
-        }
-    }
-
-    compileOptions {
-        targetCompatibility '1.8'
-        sourceCompatibility '1.8'
-    }
 }
 
 dependencies {
 
-    implementation project(':markwon-editor')
-
     implementation project(':markwon-core')
     implementation project(':markwon-ext-strikethrough')
     implementation project(':markwon-ext-tables')

build.gradle

@@ -4,7 +4,7 @@ buildscript {
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.5.1'
+        classpath 'com.android.tools.build:gradle:3.5.2'
         classpath 'com.github.ben-manes:gradle-versions-plugin:0.21.0'
     }
 }
@@ -44,7 +44,6 @@ if (hasProperty('local')) {
 
 ext {
 
-    // NB, updating build-tools or compile-sdk will require updating Travis config (.travis.yml)
     config = [
             'build-tools'    : '28.0.3',
             'compile-sdk'    : 28,