Upgrade Android Gradle plugins

platform_tools/android/apps/vulkanviewer/build.gradle

Index: platform_tools/android/apps/vulkanviewer/build.gradle
diff --git a/platform_tools/android/apps/vulkanviewer/build.gradle b/platform_tools/android/apps/vulkanviewer/build.gradle
index acb6740248626ce82a29633492033e008e003483..d8825c546494cd76a8c54ab428c5d9b5ec836566 100644
--- a/platform_tools/android/apps/vulkanviewer/build.gradle
+++ b/platform_tools/android/apps/vulkanviewer/build.gradle
@@ -10,7 +10,7 @@ android {
     buildToolsVersion "22.0.1"
     defaultConfig {
         applicationId "org.skia.vulkanviewer"
-        minSdkVersion 9
+        minSdkVersion 19
         targetSdkVersion 19
         versionCode 1
         versionName "1.0"
@@ -19,19 +19,6 @@ android {
     sourceSets.main.jni.srcDirs = [] //disable automatic ndk-build call
     sourceSets.main.jniLibs.srcDir "src/main/libs"
     productFlavors { arm {}; arm64 {}; x86 {}; x86_64 {}; mips {}; mips64 {}; }
-    applicationVariants.all{ variant ->
-        def buildNativeLib = task("${variant.name}_NativeLib", type:Exec) {
-            workingDir '../../../..' // top-level skia directory
-            commandLine constructBuildCommand(variant, "CopyVulkanViewerDeps").split()
-            environment PATH: getPathWithDepotTools()
-            environment ANDROID_SDK_ROOT: getSDKPath()
-        }
-        buildNativeLib.onlyIf { !project.hasProperty("suppressNativeBuild") }
-        TaskCollection<Task> assembleTask
-        assembleTask = project.tasks.matching {
-            it.name.contains("assemble") &&
-                    it.name.toLowerCase().endsWith(variant.name.toLowerCase())
-        }
-        assembleTask.getAt(0).dependsOn buildNativeLib
-    }
+
+    setupSkiaLibraryBuild(project, applicationVariants, "--vulkan CopyVulkanViewerDeps")
 }