Raise priority of SHOW_ADMIN_SUPPORT_DETAILS intent filter.

We don't want SHOW_ADMIN_SUPPORT_DETAILS intent to be handled
by other apps.

Bug: 69981936
Test: make -j32 RunSettingsRoboTests
Test: manual - Install another app which handles SHOW_ADMIN_SUPPORT_DETAILS
      intent and verify that when SHOW_ADMIN_SUPPORT_DETAILS intent is
      triggered, Settings activity gets launched.

Change-Id: I6f764fe53b32559da829d515dd448c817b6bf7c9