Don't include classes in androidx.annotaion.keep in r8.jar

They were already excluded from r8lib.jar.

Bug: b/392865072
Change-Id: Id64a214a1f1b09232180ded251fe19619773bb1f
diff --git a/d8_r8/main/build.gradle.kts b/d8_r8/main/build.gradle.kts
index c6e6cd7..01463bf 100644
--- a/d8_r8/main/build.gradle.kts
+++ b/d8_r8/main/build.gradle.kts
@@ -279,6 +279,7 @@
     dependsOn(swissArmyKnife)
     from(swissArmyKnife.get().outputs.files.map(::zipTree))
     exclude("LICENSE")
+    exclude("androidx/annotation/keep/**")
     archiveFileName.set("swiss-army-no-license.jar")
 }