extract-vmlinux: update to check to search "MS-DOS executable" am: b0c8cc9500 am: 660636c697

Change-Id: Id9746c6777fc7bb20076fcb8ad4651deb106833a
tree: 010906ce83f6a884bfbdc19df6029cb165e81a26
  1. 5.4-arm64/
  2. 5.4-x86_64/
  3. scripts/
  4. Android.bp
  5. METADATA
  6. OWNERS
  7. TEST_MAPPING