Merge "MTP: Skip runtime thumbnail generation for Android Host" into sc-dev am: 144bb33a am: ca7c53d1 am: 14f01303

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15027582

Change-Id: Ib841045a96c6b9f281151ead0d87e637d0aa033b