Revert "Drop prebuilt files to android source tree."

Revert submission 20271402-b6958f1c-2b9a-4faa-bf4e-b1c58372ad98

Reason for revert: Verified culprit for b/263438687. See http://b/263438687#comment4 for verification.
Reverted changes: /q/submissionid:20271402-b6958f1c-2b9a-4faa-bf4e-b1c58372ad98

Change-Id: I06f4e253db4bdd559542f6ae16556c677845a5a4

.prebuilt_info/prebuilt_info_current_current_zip.asciipb

 drops {
   android_build_drop {
-    build_id: "T1005032"
+    build_id: "T1004707"
     target: "train_build"
     source_file: "mainline-sdks/for-Tiramisu-build/current/com.google.android.os.statsd/sdk/statsd-module-sdk-current.zip"
   }

current/snapshot-creation-build-number.txt

-9037926
\ No newline at end of file
+8892762
\ No newline at end of file