gradle: update properties list for build improvements

Signed-off-by: Harsh Shandilya <me@msfjarvis.dev>

app/build.gradle.kts

@@ -27,6 +27,7 @@ android {
     adbOptions.installOptions("--user 0")
 
     buildFeatures.viewBinding = true
+    buildFeatures.buildConfig = true
 
     defaultConfig {
         applicationId = "dev.msfjarvis.aps"

gradle.properties

@@ -2,24 +2,50 @@
 # Copyright © 2014-2020 The Android Password Store Authors. All Rights Reserved.
 # SPDX-License-Identifier: GPL-3.0-only
 #
+org.gradle.parallel=true
+org.gradle.configureondemand=true
+org.gradle.caching=true
 
-# AndroidX
-android.enableJetifier=false
-android.useAndroidX=true
+# Enabling filesystem watching
+org.gradle.vfs.watch=true
+org.gradle.unsafe.watch-fs=true
 
-# R8 Full mode
+# Enable Kotlin incremental compilation
+kotlin.incremental=true
+
+# Enable parallel tasks execution for Kotlin Gradle plugin
+kotlin.parallel.tasks.in.project=true
+
+# Kotlin code style
+kotlin.code.style=official
+
+# Enable incremental annotation processor for KAPT
+kapt.incremental.apt=true
+
+# Turn off AP discovery in compile path to enable compile avoidance
+kapt.include.compile.classpath=false
+
+# Use R8 instead of ProGuard for code shrinking.
 android.enableR8.fullMode=true
 
-# Disable warnings for experimental options
-android.suppressUnsupportedOptionWarnings=android.suppressUnsupportedOptionWarnings,android.enableR8.fullMode,android.useMinimalKeepRules,android.namespacedRClass
+# Enable AndroidX
+android.useAndroidX=true
 
-# https://jakewharton.com/increased-accuracy-of-aapt2-keep-rules/
-android.useMinimalKeepRules=true
-
-# Enable rudimentary R class namespacing where each library only contains
+# Enable non-transitive R class namespacing where each library only contains
 # references to the resources it declares instead of declarations plus all
 # transitive dependency references.
-android.namespacedRClass=true
+android.nonTransitiveRClass=true
 
-# Gradle FS watching
-org.gradle.unsafe.watch-fs=true
+# Only keep the single relevant constructor for types mentioned in XML files
+# instead of using a parameter wildcard which keeps them all.
+android.useMinimalKeepRules=true
+
+# Enable resource optimizations for release build
+android.enableResourceOptimizations=true
+
+# Default Android build features
+android.defaults.buildfeatures.buildconfig=false
+android.defaults.buildfeatures.aidl=false
+android.defaults.buildfeatures.renderscript=false
+android.defaults.buildfeatures.resvalues=false
+android.defaults.buildfeatures.shaders=false