Merge "Update MTU for SoftBank JP as per their request." am: 7d21782d90 am: defaacd0b7 am: 65b1c10b85 am: 969584a6d0 am: 2c0f327689

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1890235

Change-Id: Icef775ddd945f6f195dc7bc7912f9c621c59a885
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>