doc: update GA library list (#8467)

Update the list of libraries that are GA. Also update their README and
Doxygen landing pages to say they are GA.

Author: coryan

BUILD.bazel

@@ -21,10 +21,24 @@ exports_files([
 ])
 
 EXPERIMENTAL_LIBRARIES = [
+    "apigeeconnect",
+    "contactcenterinsights",
+    "datacatalog",
+    "dataproc",
+    "documentai",
+    "language",
+    "logging",
+    "managedidentities",
+    "osconfig",
+    "profiler",
+    "resourcesettings",
+    "speech",
+]
+
+TRANSITION_LIBRARIES = [
     "accessapproval",
     "accesscontextmanager",
     "apigateway",
-    "apigeeconnect",
     "appengine",
     "artifactregistry",
     "asset",
@@ -35,15 +49,11 @@ EXPERIMENTAL_LIBRARIES = [
     "channel",
     "cloudbuild",
     "composer",
-    "contactcenterinsights",
     "container",
     "containeranalysis",
-    "datacatalog",
     "datamigration",
-    "dataproc",
     "debugger",
     "dlp",
-    "documentai",
     "eventarc",
     "filestore",
     "functions",
@@ -53,35 +63,30 @@ EXPERIMENTAL_LIBRARIES = [
     "ids",
     "iot",
     "kms",
-    "language",
-    "logging",
-    "managedidentities",
     "memcache",
     "monitoring",
     "networkmanagement",
     "notebooks",
     "orgpolicy",
-    "osconfig",
     "oslogin",
     "policytroubleshooter",
     "privateca",
-    "profiler",
     "pubsublite",
     "recommender",
     "redis",
     "resourcemanager",
-    "resourcesettings",
     "retail",
     "scheduler",
+    "secretmanager",
     "securitycenter",
     "servicecontrol",
     "servicedirectory",
     "servicemanagement",
     "serviceusage",
     "shell",
-    "speech",
     "storagetransfer",
     "talent",
+    "tasks",
     "texttospeech",
     "tpu",
     "trace",
@@ -95,11 +100,6 @@ EXPERIMENTAL_LIBRARIES = [
     "workflows",
 ]
 
-TRANSITION_LIBRARIES = [
-    "secretmanager",
-    "tasks",
-]
-
 GA_LIBRARIES = [
 ]