Update Android gradle plugin

app/build.gradle.kts

@@ -80,6 +80,7 @@ android {
       isZipAlignEnabled = true
       isMinifyEnabled = true
       isShrinkResources = true
+      isUseProguard = false
 
       proguardFiles(
         getDefaultProguardFile("proguard-android.txt"),
@@ -93,6 +94,7 @@ android {
       isZipAlignEnabled = true
       isMinifyEnabled = true
       isShrinkResources = true
+      isUseProguard = false
 
       proguardFiles(
         getDefaultProguardFile("proguard-android.txt"),
@@ -101,6 +103,11 @@ android {
     }
   }
 
+  compileOptions {
+    setSourceCompatibility(JavaVersion.VERSION_1_8)
+    setTargetCompatibility(JavaVersion.VERSION_1_8)
+  }
+
   lintOptions {
     isWarningsAsErrors = true
     lintConfig = file("../lint.xml")
@@ -142,7 +149,7 @@ dependencies {
   implementation("commons-codec", "commons-codec", "1.11")
   implementation("com.squareup.retrofit2", "retrofit", "2.5.0")
   implementation("com.squareup.retrofit2", "converter-gson", "2.5.0")
-  withVersion("9.0.0-rc1") {
+  withVersion("10.0.0") {
     implementation("com.jakewharton", "butterknife", version)
     kapt("com.jakewharton", "butterknife-compiler", version)
   }
@@ -176,7 +183,7 @@ dependencies {
   }
 
   // Dependency Injection
-  withVersion("2.15") {
+  withVersion("2.20") {
     implementation("com.google.dagger", "dagger", version)
     kapt("com.google.dagger", "dagger-compiler", version)
     kapt("com.google.dagger", "dagger-android-processor", version)

build.gradle.kts

@@ -23,7 +23,7 @@ buildscript {
     jcenter()
   }
   dependencies {
-    classpath("com.android.tools.build:gradle:3.2.1")
+    classpath("com.android.tools.build:gradle:3.3.0")
     classpath("org.jetbrains.kotlin:kotlin-gradle-plugin:1.3.11")
   }
 }

gradle.properties

@@ -30,8 +30,10 @@ org.gradle.jvmargs=-Xmx2048m
 org.gradle.parallel=true
 # Enable new Android D8 Dexer
 android.enableD8=true
+# Enable new Android R8 Optimizer
+android.enableR8=true
 # Enable gradle build cache
-org.gradle.caching=true
+org.gradle.caching=false
 # Enable android build cache
 android.enableBuildCache=true
 # Enable AndroidX