Mark classes of package uimanager as @Nullsafe (#43155)

Summary:
Pull Request resolved: https://github.com/facebook/react-native/pull/43155

All these classes are NullSafe, let's mark them as NullSafe(Local) to ensure lint detect errors in the future

changelog: [internal] internal

Reviewed By: arushikesarwani94

Differential Revision: D54027178

fbshipit-source-id: 37940ecec4d42f9f5ae7784a865564b0ef80f4a7

packages/react-native/ReactAndroid/src/main/java/com/facebook/react/uimanager/ComponentNameResolverManager.java

@@ -7,12 +7,14 @@
 
 package com.facebook.react.uimanager;
 
+import com.facebook.infer.annotation.Nullsafe;
 import com.facebook.jni.HybridData;
 import com.facebook.proguard.annotations.DoNotStrip;
 import com.facebook.proguard.annotations.DoNotStripAny;
 import com.facebook.react.bridge.RuntimeExecutor;
 import com.facebook.soloader.SoLoader;
 
+@Nullsafe(Nullsafe.Mode.LOCAL)
 @DoNotStripAny
 public class ComponentNameResolverManager {
 

packages/react-native/ReactAndroid/src/main/java/com/facebook/react/uimanager/FabricViewStateManager.java

@@ -9,6 +9,7 @@ package com.facebook.react.uimanager;
 
 import androidx.annotation.Nullable;
 import com.facebook.common.logging.FLog;
+import com.facebook.infer.annotation.Nullsafe;
 import com.facebook.react.bridge.ReadableMap;
 import com.facebook.react.bridge.WritableMap;
 
@@ -24,6 +25,7 @@ import com.facebook.react.bridge.WritableMap;
  * retrying the UpdateState call until it succeeds; or you call setState again; or the View layer is
  * updated with a newer StateWrapper.
  */
+@Nullsafe(Nullsafe.Mode.LOCAL)
 @Deprecated(
     since =
         "Deprecated class since v0.73.0, please use com.facebook.react.uimanager.StateWrapper instead.",

packages/react-native/ReactAndroid/src/main/java/com/facebook/react/uimanager/FloatUtil.java

@@ -7,6 +7,9 @@
 
 package com.facebook.react.uimanager;
 
+import com.facebook.infer.annotation.Nullsafe;
+
+@Nullsafe(Nullsafe.Mode.LOCAL)
 public class FloatUtil {
 
   private static final float EPSILON = .00001f;