Change the MDS to platform app in selinux ap context.

The MDS will be signed with platform key and become a platform app. To
make the selinux rules for modem_diagnostic_app work, need to set it to
platform app in app context.

Bug: 287683516
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:8b625c816d12ae03dcebb3e05e9ad03e055d8583)
Merged-In: I845c75cbb7d5f4361c32e180528a6e1ddcc5647a
Change-Id: I845c75cbb7d5f4361c32e180528a6e1ddcc5647a
1 file changed