Revert "Revert "Update mingw prebuilts to enable build with Clang""

This reverts commit 24c3748de27cfaa73ebfb5b4655b39b5191a941e.

Reason for revert: android switched to clang already

Change-Id: I7ae10e00b66d18bb671a8828290de6dc99a6c8ba
1828 files changed