Build.VERSION_CODES_FULL: backfill older Android versions

Add Build.VERSION_CODES_FULL constants for all existing Android
versions. These are all considered major versions.

Bug: 350458259
Test: m
Flag: android.sdk.major_minor_versioning_scheme
Change-Id: I32745fc91ef6d9b9db3eda0959936af14fc7c3ef
2 files changed