Fix --run-bootstrap for build.py

FileNotFound exception when unlinking a non-existent path.

Bug: 217952161
Test: Bootstrap completes when common-mk folder doesn't exist
Tag: #floss
Change-Id: Id7dba2a68e67353a557b2745c33d5b974e595470

1 files changed, 4 insertions, 1 deletions

diff --git a/build.py b/build.py
index c62b800604..0bdbd16f48 100755
--- a/build.py
+++ b/build.py
@@ -610,7 +610,10 @@ class Bootstrap():
         # Create symlinks
         for pairs in symlinks:
             (src, dst) = pairs
-            os.unlink(dst)
+            try:
+                os.unlink(dst)
+            except Exception as e:
+                print(e)
             os.symlink(src, dst)
 
         # Write to setup complete file so we don't repeat this step