Import AndroidX from build 7658977

./update_prebuilts.py -x 7658977

- Manually updated material library SDK version to 31
- Manually added optional_uses_libs to androidx_window library
- Manually removed content provider from androidx_startup library

Test: make
Change-Id: Ifd087d9d05dbde841ff59aa86d69e4cb1d6b1b71
Merged-In: Ifd087d9d05dbde841ff59aa86d69e4cb1d6b1b71
(cherry picked from commit 9d70282fa2eced97a41e88c96b2154082101a2d4)
3839 files changed