Merge pull request #277 from zcash/fix/update-view-binding

Fix: Update the view binding DSL.

app/build.gradle

@@ -14,7 +14,6 @@ android {
     ndkVersion "21.1.6352462"
     compileSdkVersion Deps.compileSdkVersion
     buildToolsVersion Deps.buildToolsVersion
-    viewBinding.enabled = true
     defaultConfig {
         applicationId Deps.packageName
         minSdkVersion Deps.minSdkVersion
@@ -30,6 +29,9 @@ android {
         // per https://google.github.io/android-gradle-dsl/current/com.android.build.gradle.internal.dsl.VectorDrawablesOptions.html: If set to an empty collection, all special handling of vector drawables will be disabled.
         vectorDrawables.generatedDensities = []
     }
+    buildFeatures {
+        viewBinding true
+    }
     flavorDimensions 'network'
     productFlavors {
         // would rather name them "testnet" and "mainnet" but product flavor names cannot start with the word "test"