Realm Java cannot use RealmAny in new apps (#3274)

## Pull Request Info - SDK Docs Consolidation

Jira ticket: https://jira.mongodb.org/browse/DOCSP-39924

*Staged Page*

-
[PAGE_NAME](https://docs-mongodbcom-staging.corp.mongodb.com/realm/docsworker-xlarge/BRANCH_NAME/)

*Page Source*

Add links to every SDK's pages where you got the SDK-specific
information:

-
[PAGE_NAME](https://www.mongodb.com/docs/atlas/device-sdks/LIVE-DOCS-LINK)

### PR Author Checklist

Before requesting a review for your PR, please check these items:

- [ ] Open the PR against the `feature-consolidated-sdk-docs` branch
instead of `master`
- [ ] Tag the consolidated page for:
  - genre
  - meta.keywords
  - meta.description

#### Naming
- [ ] Update Realm naming and the language around persistence
layer/local/device per [this
document](https://docs.google.com/document/d/126OczVxBWAwZ4P5ZsSM29WI3REvONEr1ald-mAwPtyQ/edit?usp=sharing)
- [ ] Include `.rst` files comply with [the naming
guidelines](https://docs.google.com/document/d/1h8cr66zoEVeXytVfvDxlCSsUS5IZwvUQvfSCEXNMpek/edit#heading=h.ulh8b5f2hu9)

#### Links and Refs
- [ ] Create new consolidated SDK ref targets starting with "_sdks-" for
relevant sections
- [ ] Remove or update any SDK-specific refs to use the new consolidated
SDK ref targets
- [ ] [Update any Kotlin API
links](https://jira.mongodb.org/browse/DOCSP-32519) to use the new
Kotlin SDK roles

#### Content
- [ ] Shared code boxes have snippets or placeholders for all 9
languages
- [ ] API description sections have API details or a generic placeholder
for all 9 languages
- [ ] Check related pages for relevant content to include
- [ ] Create a ticket for missing examples in each relevant SDK:
Consolidation Gaps epic

### Reviewer Checklist

As a reviewer, please check these items:

- [ ] Shared code example boxes contain language-specific snippets or
placeholders for every language
- [ ] API reference details contain working API reference links or
generic content
- [ ] Realm naming/language has been updated
- [ ] All relevant content from individual SDK pages is present on the
consolidated page

---------

Co-authored-by: lindseymoore <71525840+lindseymoore@users.noreply.github.com>

Author: kneth

source/includes/note-java-and-realmany.rst

@@ -0,0 +1,5 @@
+.. note:: New apps cannot use ``RealmAny``
+
+    New :atlas:`App Services Apps </app-services/apps/>`
+    will not be able to synchronize data models with properties of type 
+   ``RealmAny``.

source/sdk/java/install.txt

@@ -12,6 +12,8 @@ Install Realm - Java SDK
 
 .. include:: /includes/note-java-maintenance-mode.rst 
 
+.. include:: /includes/note-java-and-realmany.rst
+
 Overview
 --------
 

source/sdk/java/model-data.txt

@@ -16,6 +16,8 @@ Model Data - Java SDK
    :depth: 2
    :class: singlecol
 
+.. include:: /includes/note-java-and-realmany.rst
+
 .. _java-object-models-and-schemas:
 .. _java-schema-versions-and-migrations:
 

source/sdk/java/model-data/data-types/realmany.txt

@@ -13,6 +13,8 @@ RealmAny - Java SDK
 
 .. versionadded:: 10.6.0
 
+.. include:: /includes/note-java-and-realmany.rst
+
 You can use the :java-sdk:`RealmAny <io/realm/RealmAny.html>` data type to create
 Realm object fields that can contain any of several
 underlying types. You can store multiple ``RealmAny`` instances in

source/sdk/java/sync/configure-and-open-a-synced-realm.txt

@@ -10,6 +10,8 @@ Configure a Synced Realm - Java SDK
    :depth: 2
    :class: singlecol
 
+.. include:: /includes/note-java-and-realmany.rst
+
 Prerequisites
 -------------