swarming: Don't normalize .apk files (breaks alignment)

tools/determinism/remove_build_metadata.py

Index: tools/determinism/remove_build_metadata.py
diff --git a/tools/determinism/remove_build_metadata.py b/tools/determinism/remove_build_metadata.py
index c6c11c4f2ba78531e85b9d2bc0e993368520f553..f3205aa53bb4c93158d0c465a74c30488216516a 100755
--- a/tools/determinism/remove_build_metadata.py
+++ b/tools/determinism/remove_build_metadata.py
@@ -28,8 +28,8 @@ _ZAP_TIMESTAMP_BLACKLIST = {
 def get_files_to_clean(build_dir, recursive=False):
   """Get the list of files to clean."""
   allowed = frozenset(
-      ('', '.apk', '.app', '.dll', '.dylib', '.exe', '.nexe', '.so'))
-  non_x_ok_exts = frozenset(('.apk', '.isolated', '.jar'))
+      ('', '.app', '.dll', '.dylib', '.exe', '.nexe', '.so'))
+  non_x_ok_exts = frozenset(('.isolated', '.jar'))
   min_timestamp = 0
   if os.path.exists(os.path.join(build_dir, 'build.ninja')):
     min_timestamp = os.path.getmtime(os.path.join(build_dir, 'build.ninja'))
@@ -78,7 +78,7 @@ def remove_pe_metadata(filename):
 
 
 def remove_zip_timestamps(filename):
-  """Remove the timestamps embedded in an apk archive."""
+  """Remove the timestamps embedded in a zip archive."""
   sys.stdout.write('Processing: %s\n' % os.path.basename(filename))
   with zipfile.ZipFile(filename, 'r') as zf:
     # Creates a temporary file.
@@ -106,7 +106,7 @@ def remove_metadata_worker(file_queue, failed_queue, build_dir):
     if f.endswith(('.dll', '.exe')):
       if remove_pe_metadata(os.path.join(build_dir, f)):
         failed_queue.put(f)
-    elif f.endswith(('.apk', '.jar')):
+    elif f.endswith('.jar'):
       remove_zip_timestamps(os.path.join(build_dir, f))
     file_queue.task_done()