[MediaProvider] fix -Wreorder-init-list

ISO C++20 requires field designators to be specified in declaration
order, unlike C99.

Bug: 139945549
Test: mm
Change-Id: I76931d372443c2e00ebe6205841e8fe13de1c843
Signed-off-by: Nick Desaulniers <ndesaulniers@google.com>
1 file changed