Revert "Remove vendored proguard annotation (facebook#26069)"

This reverts commit 35fc0ad.

ReactAndroid/build.gradle

@@ -356,7 +356,6 @@ android {
 
 dependencies {
     api("com.facebook.infer.annotation:infer-annotation:0.11.2")
-    api("com.facebook.yoga:proguard-annotations:1.14.1")
     api("javax.inject:javax.inject:1")
     api("androidx.appcompat:appcompat:1.0.2")
     api("com.facebook.fresco:fresco:${FRESCO_VERSION}")

ReactAndroid/src/main/java/com/facebook/proguard/annotations/DoNotStrip.java

@@ -0,0 +1,22 @@
+/**
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * <p>This source code is licensed under the MIT license found in the LICENSE file in the root
+ * directory of this source tree.
+ */
+package com.facebook.proguard.annotations;
+
+import static java.lang.annotation.RetentionPolicy.CLASS;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.Target;
+
+/**
+ * Add this annotation to a class, method, or field to instruct Proguard to not strip it out.
+ *
+ * <p>This is useful for methods called via reflection that could appear as unused to Proguard.
+ */
+@Target({ElementType.TYPE, ElementType.FIELD, ElementType.METHOD, ElementType.CONSTRUCTOR})
+@Retention(CLASS)
+public @interface DoNotStrip {}