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: I73e8c7d771a0af367b4302ea4d36996ee5684197
diff --git a/.prebuilt_info/prebuilt_info_current_current_zip.asciipb b/.prebuilt_info/prebuilt_info_current_current_zip.asciipb
index 45536a2..6f675e6 100644
--- a/.prebuilt_info/prebuilt_info_current_current_zip.asciipb
+++ b/.prebuilt_info/prebuilt_info_current_current_zip.asciipb
@@ -1,6 +1,6 @@
 drops {
   android_build_drop {
-    build_id: "T1005032"
+    build_id: "T1004707"
     target: "train_build"
     source_file: "mainline-sdks/for-Tiramisu-build/current/com.google.android.appsearch/sdk/appsearch-sdk-current.zip"
   }
diff --git a/current/snapshot-creation-build-number.txt b/current/snapshot-creation-build-number.txt
index 7fad2c4..0f26d31 100644
--- a/current/snapshot-creation-build-number.txt
+++ b/current/snapshot-creation-build-number.txt
@@ -1 +1 @@
-9099980
\ No newline at end of file
+8948180
\ No newline at end of file