Prevent TurboModuleManagerDelegate.mHybridData from being dead-code eliminated

Summary:
mHybridData should have a SuppressWarnings("unsed") annotation on it. Furthermore, we should add a DoNotStrip annotation, to make sure that the HybridData object doesn't get removed. We do the same in TurboModuleManager:

https://www.internalfb.com/intern/diffusion/FBS/browsefile/master/xplat/js/react-native-github/ReactAndroid/src/main/java/com/facebook/react/turbomodule/core/TurboModuleManager.java?commit=5e1cd0c2ed84ff8e718473ff26145733868ebaba&lines=46-48

Changelog: [Internal]

Created from Diffusion's 'Open in Editor' feature.

Reviewed By: fkgozali

Differential Revision: D26958686

fbshipit-source-id: 83c0626c0681966dfcda7f6e4fb4cbeac8340b3f

ReactAndroid/src/main/java/com/facebook/react/turbomodule/core/TurboModuleManagerDelegate.java

@@ -9,6 +9,7 @@ package com.facebook.react.turbomodule.core;
 
 import androidx.annotation.Nullable;
 import com.facebook.jni.HybridData;
+import com.facebook.proguard.annotations.DoNotStrip;
 import com.facebook.react.bridge.CxxModuleWrapper;
 import com.facebook.react.turbomodule.core.interfaces.TurboModule;
 import com.facebook.soloader.SoLoader;
@@ -16,6 +17,8 @@ import java.util.ArrayList;
 import java.util.List;
 
 public abstract class TurboModuleManagerDelegate {
+  @DoNotStrip
+  @SuppressWarnings("unused")
   private final HybridData mHybridData;
 
   private static volatile boolean sIsSoLibraryLoaded;