Merge "Add line spacing multiplier for CollapsingToolbarLayout" into sc-dev am: f639c4eb am: 4fa1acf1 am: e16bc984

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15126412

Change-Id: I819d83e494bd0ecd3dcf78f14f9698e896eb7f95