Add symbol_inject to Soong prebuilts. am: f83f22e9ae am: 934b2b1d13 am: 8ef45652c1

Original change: https://android-review.googlesource.com/c/platform/prebuilts/build-tools/+/2039126

Change-Id: I35697fe851e7cefcb654c2609299ea07372b996b
diff --git a/build-prebuilts.sh b/build-prebuilts.sh
index 5550c51..4df0a47 100755
--- a/build-prebuilts.sh
+++ b/build-prebuilts.sh
@@ -106,6 +106,7 @@
         py3-launcher-autorun64
         runextractor
         soong_zip
+        symbol_inject
         toybox
         xz
         zip2zip