Escape newlines in `-v printable`. am: 522baf2487 am: 9d25de7017 am: 1469e69bf7

Original change: https://android-review.googlesource.com/c/platform/system/logging/+/2860428

Change-Id: I28f2d2df0e090e72361abc89e0e06d279ad3ddd1
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
tree: b9dad30126dd7091847acfcfb1d1f63856f753e3
  1. liblog/
  2. logcat/
  3. logd/
  4. logwrapper/
  5. rust/
  6. OWNERS
  7. PREUPLOAD.cfg
  8. TEST_MAPPING