[automerger skipped] Merge "ImageDecoder: Use AssetFileDescriptor's length" am: efca2d56f1 am: 3a62413c4f am: b9d7c9ec52 am: 226c477959 am: 04573f24a7 -s ours

am skip reason: Change-Id I8d8e520f43a7ef0d7e4534ef165d8c7e4d2a0b55 with SHA-1 c3fda89b05 is in history

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1426968

Change-Id: I5208a451f5b04fb26657e44c89ecf1f1562d31a7