Upgrade Android Gradle plugin to 3.2.1.

briar-headless/witness.gradle

@@ -36,8 +36,15 @@ dependencyVerification {
         'org.eclipse.jetty:jetty-util:9.4.12.v20180830:jetty-util-9.4.12.v20180830.jar:60ad53e118a3e7d10418b155b9944d90b2e4e4c732e53ef4f419473288d3f48c',
         'org.eclipse.jetty:jetty-webapp:9.4.12.v20180830:jetty-webapp-9.4.12.v20180830.jar:5301e412a32bf7dddcfad458d952179597c61f8fd531c265873562725c3d4646',
         'org.eclipse.jetty:jetty-xml:9.4.12.v20180830:jetty-xml-9.4.12.v20180830.jar:5b8298ab3d43ddaf0941d41f51b82c8ae23a247da055fa161b752ab9495155ed',
+        'org.jetbrains.kotlin:kotlin-android-extensions:1.2.70:kotlin-android-extensions-1.2.70.jar:534601f4b10bd175268a611ea370051f75db3377da11e9400430f01db7c70bd0',
         'org.jetbrains.kotlin:kotlin-annotation-processing-gradle:1.2.70:kotlin-annotation-processing-gradle-1.2.70.jar:820da7e3637066c14eb3d54dc29cd6d4dc4a041ff603d0b15844403de47b7d12',
+        'org.jetbrains.kotlin:kotlin-build-common:1.2.70:kotlin-build-common-1.2.70.jar:6756d98108512b8a42013e453912e868777a20f05cac3f40af891e4058e94da6',
         'org.jetbrains.kotlin:kotlin-compiler-embeddable:1.2.70:kotlin-compiler-embeddable-1.2.70.jar:8958d6f6ce4e49a6cecaaa9a1711a6b03df793fe066a74d88cf4958f20b0f10d',
+        'org.jetbrains.kotlin:kotlin-compiler-runner:1.2.70:kotlin-compiler-runner-1.2.70.jar:44654c5f86e2b36222cb8b09e5eeb0b252db1e83d258b27fb31c670c339e65e1',
+        'org.jetbrains.kotlin:kotlin-daemon-client:1.2.70:kotlin-daemon-client-1.2.70.jar:92b73c45670324ae6b81ccaa123a38eddd53adfe3a2b58938421d4d17a53f9e3',
+        'org.jetbrains.kotlin:kotlin-gradle-plugin-api:1.2.70:kotlin-gradle-plugin-api-1.2.70.jar:a60b71d564795461e023956d8b3dd03d606d51ad1eb79e7c002dbce62a24378c',
+        'org.jetbrains.kotlin:kotlin-gradle-plugin-model:1.2.70:kotlin-gradle-plugin-model-1.2.70.jar:a7fdb4b35e7537ad417e6b19595a1df7d676e8e9fa5a8a96dbcf1a40b577493b',
+        'org.jetbrains.kotlin:kotlin-gradle-plugin:1.2.70:kotlin-gradle-plugin-1.2.70.jar:b9a96b3d39215b7fdcc8013476e70f86b8010277dd3639e58b42e6ffde1f3cab',
         'org.jetbrains.kotlin:kotlin-reflect:1.2.41:kotlin-reflect-1.2.41.jar:1bab75771dfa2bb5949cd383ceaedf6f8d354fa0d677804fc5a39e320bab70d3',
         'org.jetbrains.kotlin:kotlin-reflect:1.2.70:kotlin-reflect-1.2.70.jar:89ef46a458c5ee58b8460d0d22b0bb484eea0589ccffd59d650ef38bcb60e806',
         'org.jetbrains.kotlin:kotlin-script-runtime:1.2.70:kotlin-script-runtime-1.2.70.jar:0124dfcf890e39250c3a4481cdd27f038d8321e93ce983730c4cbc10143eadc2',

build.gradle

@@ -27,7 +27,7 @@ buildscript {
 	}
 
 	dependencies {
-		classpath 'com.android.tools.build:gradle:3.2.0'
+		classpath 'com.android.tools.build:gradle:3.2.1'
 		classpath 'net.ltgt.gradle:gradle-apt-plugin:0.18'
 		classpath 'ru.vyarus:gradle-animalsniffer-plugin:1.4.6'
 		classpath files('libs/gradle-witness.jar')