Runtime permission attribution improvements

When an app is proxying access to runtime permission protected
data it needs to check whether the calling app has a permission
to the data it is about to proxy which leaves a trace in app ops
that the requesting app perofmed a data access. However, then the
app doing the work needs to get the protected data itself from the
OS which access gets attributed only to itself. As a result there
are two data accesses in app ops where only the first one is a
proxy one that app A got access to Foo through app B - that is the
one we want to show in the permission tracking UIs - and one
for the data access - that is the one we would want to blame on
the calling app, and in fact, these two accesses should be one -
that app A accessed Foo though B. This limitation requires fragile
one off workarounds where both accesses use the same attribution
tag and sys UI has hardcoded rules to dedupe. Since this is not
documented we cannot expect that the ecosystem would reliably
do this...