unnecessary java file extracted when compile AOSP with codeql

Hi
I'm trying to run CodeQL on AOSP with this command:
codeql database create new-database --working-dir=./ --source-root=./ --language=java --command='make services'
many unnecessary java files were extracted by codeql in output/soong/.intermediates, some javac-extractor logs are as following:
```
[2021-09-14 15:13:27] [javac-extractor-21811] Processing file /media/test/AOSP/output/soong/.intermediates/frameworks/base/services/core/statslog-art-java-gen/gen/com/android/internal/art/ArtStatsLog.java
[2021-09-14 15:13:28] [javac-extractor-21811] Writing trap file for: com.android.internal.art.ArtStatsLog 0.0-0 null
[2021-09-14 15:13:28] [javac-extractor-21811] Processing file /media/test/AOSP/output/soong/.intermediates/frameworks/base/services/core/services.core.unboosted/android_common/gen/logtags/frameworks/base/services/core/java/com/android/server/EventLogTags.java
[2021-09-14 15:13:29] [javac-extractor-21811] Writing trap file for: com.android.server.EventLogTags 0.0-0 null
[2021-09-14 15:13:29] [javac-extractor-21811] Processing file /media/test/AOSP/output/soong/.intermediates/frameworks/base/services/core/services.core.unboosted/android_common/gen/logtags/frameworks/base/services/core/java/com/android/server/am/EventLogTags.java
[2021-09-14 15:13:29] [javac-extractor-21811] Writing trap file for: com.android.server.am.EventLogTags 0.0-0 null
[2021-09-14 15:13:29] [javac-extractor-21811] Processing file /media/test/AOSP/output/soong/.intermediates/frameworks/base/services/core/services.core.unboosted/android_common/gen/logtags/frameworks/base/services/core/java/com/android/server/wm/EventLogTags.java
[2021-09-14 15:13:29] [javac-extractor-21811] Writing trap file for: com.android.server.wm.EventLogTags 0.0-0 null
[2021-09-14 15:13:29] [javac-extractor-21811] Processing file /media/test/AOSP/output/soong/.intermediates/frameworks/base/services/core/services.core.unboosted/android_common/gen/logtags/frameworks/base/services/core/java/com/android/server/policy/EventLogTags.java
[2021-09-14 15:13:29] [javac-extractor-21811] Writing trap file for: com.android.server.policy.EventLogTags 0.0-0 null
[2021-09-14 15:13:29] [javac-extractor-21811] Processing file /media/test/AOSP/output/soong/.intermediates/frameworks/base/services/core/services.core.unboosted/android_common/javac/srcjars/frameworks/base/services/core/java/android/app/usage/UsageStatsManagerInternal.java
[2021-09-14 15:13:30] [javac-extractor-21811] Writing trap file for: android.app.usage.UsageStatsManagerInternal 0.0-0 null
[2021-09-14 15:13:30] [javac-extractor-21811] Writing trap file for: android.app.usage.UsageStatsManagerInternal.AppUsageLimitData 0.0-0 null
[2021-09-14 15:13:30] [javac-extractor-21811] Processing file /media/test/AOSP/output/soong/.intermediates/frameworks/base/services/core/services.core.unboosted/android_common/javac/srcjars/frameworks/base/services/core/java/android/content/pm/PackageManagerInternal.java
```
My question is how can I exclude these unnecessary java files while compile AOSP?

Start by reproducing the reported `codeql database create` command with AOSP's `make services` build and inspect the Java extraction logs under `output/soong/.intermediates`. Determine whether the generated files are expected inputs and identify the supported way to exclude them; done means documenting or verifying a reproducible exclusion workflow.

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