Add protolayout-material3 library

This library will contain all Material3 components and layouts.

Initially, it will have separate alpha versioning from the rest of
ProtoLayout libraries and will be merged together later.

Fixes: 336486244
Test: N/A
Relnote: "Setup a wear:protolayout:protolayout-material3 library."
Change-Id: I70dc5d45568fd79eef2465d3f2c5e62a07013849
diff --git a/settings.gradle b/settings.gradle
index 308a5db..2123ff0 100644
--- a/settings.gradle
+++ b/settings.gradle
@@ -978,6 +978,7 @@
 includeProject(":wear:protolayout:protolayout-external-protobuf", [BuildType.MAIN, BuildType.WEAR])
 includeProject(":wear:protolayout:protolayout-material", [BuildType.MAIN, BuildType.WEAR])
 includeProject(":wear:protolayout:protolayout-material-core", [BuildType.MAIN, BuildType.WEAR])
+includeProject(":wear:protolayout:protolayout-material3", [BuildType.MAIN, BuildType.WEAR])
 includeProject(":wear:protolayout:protolayout-proto", [BuildType.MAIN, BuildType.WEAR])
 includeProject(":wear:protolayout:protolayout-renderer", [BuildType.MAIN, BuildType.WEAR])
 includeProject(":wear:protolayout:protolayout-lint", [BuildType.MAIN, BuildType.WEAR])