Import intermediate-AndroidX Design Library from local Maven ZIP

- Update the sdkVersion from 30 to 31 in update_prebuilts.py
- ./update_prebuilts.py -m ./maven_release.zip
- Update the sdk version from 30 to 31 in current/androidx/Android.bp

Test: TARGET_BUILD_VARIANT=userdebug UNBUNDLED_BUILD_SDKS_FROM_SOURCE=true vendor/google/build/mainline_modules_arm64.sh -j40
Bug: 194760624
Change-Id: I1d0c412ab3a4580e010911ef4da91b870c5e0a0d
Merged-In: I1d0c412ab3a4580e010911ef4da91b870c5e0a0d
41 files changed