Remove CompatibilityMatrix::getInstances/hasInstance

... by moving it from HalGroup to HalManifest. These APIs
should not be used by CompatibilityMatrix, becuase it doesn't
hold a list of exact instance names.

Bug: 73738616
Test: libvintf_test
Test: vintf_object_test
Test: vts_treble_vintf_test

Change-Id: I0ffc8de86ec3766630426288b28f6fafcda1730e
Merged-In: I0ffc8de86ec3766630426288b28f6fafcda1730e
8 files changed