Merge "Mention libandroidicuinit's MAJOR_FORMAT_VERSION." into main am: 759b415f36

Original change: https://android-review.googlesource.com/c/platform/system/timezone/+/3492435

Change-Id: I32db4fefcb42bd34f229befd4cba264d6c9ac8bd
Signed-off-by: Automerger Merge Worker <[email protected]>