Merge "bootanimation: add empty lines parsing skip for desc.txt" am: 936f661025 am: ac614b3da5 am: d47dbbb9b1

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/2331190

Change-Id: I811ff6385955bed880f994786ce7bddc63e83965
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>