Freeze compat matrix 7 for Android T

This CL is modified by downstream, so that only the HALs which are
on AOSP are included in the manifest.

Bug: 203103997
Test: boot, vts_treble_vintf_vendor_test
Change-Id: I5c04d26e2b4dd0aac6e7d6ce3c72496081e9539d
Merged-In: I5c04d26e2b4dd0aac6e7d6ce3c72496081e9539d