Export libtextclassifier

ExtServices APK now preloads universal model.
We mmap the model file straight from the APK, so we can't
compress those files when packing them to the APK.
Added "-0 model" as the appt flag to do so.

Bug: 169395238

Test: atest -p external/libtextclassifier

Change-Id: I3d59ec717a14f71be653159ecc7dd3e87bc9a80e
diff --git a/java/Android.bp b/java/Android.bp
index 893b423..981d7c9 100644
--- a/java/Android.bp
+++ b/java/Android.bp
@@ -35,6 +35,9 @@
     sdk_version: "system_current",
     min_sdk_version: "30",
     manifest: "AndroidManifest.xml",
+    aaptflags: [
+        "-0 .model",
+    ],
 }
 
 // Similar to TextClassifierServiceLib, but without the AndroidManifest.
@@ -52,6 +55,10 @@
     ],
     sdk_version: "system_current",
     min_sdk_version: "30",
+    aaptflags: [
+        "-0 .model",
+    ],
+
 }
 
 java_library {