Move bazel from being a shell function to being a script at build/bazel/bin/bazel

Bug: 254713799
Test: b build //packages/modules/adb/apex:com.android.adbd
Change-Id: I6a0a89438a46d8252c3e0c24319038b0cf2dbd59
diff --git a/tests/lib.sh b/tests/lib.sh
index 4b4d908..7dd2bf3 100644
--- a/tests/lib.sh
+++ b/tests/lib.sh
@@ -128,7 +128,6 @@
 
   symlink_file WORKSPACE
   symlink_file BUILD
-  symlink_file tools/bazel
 }
 
 function run_bazel {
@@ -136,7 +135,7 @@
   # output should not be parsed as such.
   rm -rf out/ninja_build
 
-  tools/bazel "$@"
+  build/bazel/bin/bazel "$@"
 }
 
 function run_ninja {