[Ravenwood] Cleaner sharding

- Use a string constant to remove the duplicate
- Fix the API dump file. Sharded output wasn't all correct.
- Increase the number of shards to 10.
  (Though it doesn't seem to improve the speed)

Bug: 313930116
Test: Ensure ./ravenwood/scripts/ravenwood-stats-collector.sh uses "_all"

Test: m ravenwood-runtime # ensure there are 10 shards

Test: $ANDROID_BUILD_TOP/frameworks/base/ravenwood/scripts/run-ravenwood-tests.sh
Flag: EXEMPT host side test change only
Change-Id: Id65e427261acaa3a910077d2635e746253ab92f7
diff --git a/ravenwood/Android.bp b/ravenwood/Android.bp
index 4faf03c..6150343 100644
--- a/ravenwood/Android.bp
+++ b/ravenwood/Android.bp
@@ -280,10 +280,10 @@
     src: "scripts/ravenwood-stats-checker.sh",
     test_suites: ["general-tests"],
     data: [
-        ":hoststubgen_framework-minus-apex_stats.csv",
-        ":hoststubgen_framework-minus-apex_apis.csv",
-        ":hoststubgen_framework-minus-apex_keep_all.txt",
-        ":hoststubgen_framework-minus-apex_dump.txt",
+        ":framework-minus-apex.ravenwood-base_all{hoststubgen_framework-minus-apex_stats.csv}",
+        ":framework-minus-apex.ravenwood-base_all{hoststubgen_framework-minus-apex_apis.csv}",
+        ":framework-minus-apex.ravenwood-base_all{hoststubgen_framework-minus-apex_keep_all.txt}",
+        ":framework-minus-apex.ravenwood-base_all{hoststubgen_framework-minus-apex_dump.txt}",
         ":services.core.ravenwood-base{hoststubgen_services.core_stats.csv}",
         ":services.core.ravenwood-base{hoststubgen_services.core_apis.csv}",
         ":services.core.ravenwood-base{hoststubgen_services.core_keep_all.txt}",