Centralise and bump deps (#4759)

Summary:
[android][tutorial] Centralise and bump deps
Per title.

Pull Request resolved: https://github.com/facebook/flipper/pull/4759

Test Plan:
As before.

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* __->__ https://github.com/facebook/flipper/issues/4759
* https://github.com/facebook/flipper/issues/4758
* https://github.com/facebook/flipper/issues/4757
* https://github.com/facebook/flipper/issues/4756
* https://github.com/facebook/flipper/issues/4755
* https://github.com/facebook/flipper/issues/4754
* https://github.com/facebook/flipper/issues/4753
* https://github.com/facebook/flipper/issues/4752
* https://github.com/facebook/flipper/issues/4751

Reviewed By: ivanmisuno

Differential Revision: D46069041

Pulled By: passy

fbshipit-source-id: c970c57e72445faca92a0618ed612ec86eb9f970

android/tutorial/build.gradle

@@ -44,9 +44,9 @@ android {
 }
 
 dependencies {
-    implementation "org.jetbrains.kotlin:kotlin-stdlib:$KOTLIN_VERSION"
-    implementation "androidx.appcompat:appcompat:1.4.1"
-    implementation "androidx.core:core-ktx:1.8.0"
+    implementation deps.kotlinStdLibrary
+    implementation deps.supportAppCompat
+    implementation deps.supportCoreKtx
 
     // Flipper
     // For simplicity, we use Flipper for both debug and release builds here.