Migrating to android-x

Change-Id: I9a774152d13a541e8496dd84f2469bfed407f86d
diff --git a/build.gradle b/build.gradle
index 4ae6600..dcb5b81 100644
--- a/build.gradle
+++ b/build.gradle
@@ -4,12 +4,12 @@
         google()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.2.0-alpha12'
-        classpath 'com.google.protobuf:protobuf-gradle-plugin:0.8.3'
+        classpath 'com.android.tools.build:gradle:3.2.0-beta05'
+        classpath 'com.google.protobuf:protobuf-gradle-plugin:0.8.6'
     }
 }
 
-final String SUPPORT_LIBS_VERSION = '28.0.0-SNAPSHOT'
+final String SUPPORT_LIBS_VERSION = '1.0.0-alpha1'
 
 apply plugin: 'com.android.application'
 apply plugin: 'com.google.protobuf'
@@ -57,6 +57,8 @@
             dimension "default"
             applicationId 'com.android.launcher3'
             testApplicationId 'com.android.launcher3.tests'
+
+            minSdkVersion 28
         }
     }
 
@@ -84,7 +86,7 @@
 
         androidTest {
             res.srcDirs = ['tests/res']
-            java.srcDirs = ['tests/src']
+            java.srcDirs = ['tests/src', 'tests/tapl']
             manifest.srcFile "tests/AndroidManifest-common.xml"
         }
 
@@ -118,9 +120,8 @@
 }
 
 dependencies {
-    implementation "com.android.support:support-v4:${SUPPORT_LIBS_VERSION}"
-    implementation "com.android.support:support-dynamic-animation:${SUPPORT_LIBS_VERSION}"
-    implementation "com.android.support:recyclerview-v7:${SUPPORT_LIBS_VERSION}"
+    implementation "androidx.dynamicanimation:dynamicanimation:${SUPPORT_LIBS_VERSION}"
+    implementation "androidx.recyclerview:recyclerview:${SUPPORT_LIBS_VERSION}"
     implementation 'com.google.protobuf.nano:protobuf-javanano:3.0.0-alpha-7'
 
     quickstepImplementation fileTree(dir: "quickstep/libs", include: 'sysui_shared.jar')
@@ -132,7 +133,7 @@
     androidTestImplementation 'com.android.support.test:runner:1.0.0'
     androidTestImplementation 'com.android.support.test:rules:1.0.0'
     androidTestImplementation 'com.android.support.test.uiautomator:uiautomator-v18:2.1.2'
-    androidTestImplementation "com.android.support:support-annotations:${SUPPORT_LIBS_VERSION}"
+    androidTestImplementation "androidx.annotation:annotation:${SUPPORT_LIBS_VERSION}"
 }
 
 protobuf {