Add ravenwood minimum test

This helps examine what ravenwood test jars contain.

Currently it's rather large:

$ ll $ANDROID_HOST_OUT/testcases/RavenwoodMinimumTest/RavenwoodMinimumTest.jar
-rw-r--r-- 1 omakoto primarygroup 2705929 Dec  1 11:06 /android/main-without-vendor/out/host/linux-x86/testcases/RavenwoodMinimumTest/RavenwoodMinimumTest.jar

$ jar tvf $ANDROID_HOST_OUT/testcases/RavenwoodMinimumTest/RavenwoodMinimumTest.jar | wc -l
2000

Seems like we're pulling in even kotlin runtime classes from the
androidx dependencies?

We can move them to ravenwood-runtime.

Bug: 292141694
Test: atest --host RavenwoodMinimumTest

Change-Id: Ifb939c9914ef7fa6610adb697d05369d16c76d29
diff --git a/ravenwood/TEST_MAPPING b/ravenwood/TEST_MAPPING
index 540b3a9..0319848 100644
--- a/ravenwood/TEST_MAPPING
+++ b/ravenwood/TEST_MAPPING
@@ -6,6 +6,10 @@
   ],
   "ravenwood-presubmit": [
     {
+      "name": "RavenwoodMinimumTest",
+      "host": true
+    },
+    {
       "name": "RavenwoodMockitoTest",
       "host": true
     },