Export provenance metadata for prebuilt APKs and APEXes.

Bug: 217434690
Test: atest --host gen_provenance_metadata_test
Test: m provenance_metadata

Change-Id: I91c184b6e6fe5ccfc3fc65b55b09e7a3da9502a0
diff --git a/apex/Android.bp b/apex/Android.bp
index b9b5428..41224ec 100644
--- a/apex/Android.bp
+++ b/apex/Android.bp
@@ -14,6 +14,7 @@
         "soong-cc",
         "soong-filesystem",
         "soong-java",
+        "soong-provenance",
         "soong-python",
         "soong-rust",
         "soong-sh",