Teach PackageManager to handle <required-(not-)feature>

Introducing 'required-feature' and 'requred-not-feature' tags that could
be used "inside" 'uses-permission' elements.
Elements of both types should have non-empty 'android:name' attribute to
specify the name of the feature.
If the 'uses-permission' element contains 'required-feature' and/or
'required-not-feature' elements, the permission will only be "requested"
if the system supports all the 'required-feature's and does not support
any of the 'required-not-feature's.
The new elemets are "replacement" of the existing
'android:required(Not)Feature' attributes that can be optionally added
to 'uses-permission' elements, but allow to specify only 1 feature each.
However the 'android:required(Not)Feature' attributes remain supported
for compatibility and will be treated similarly to the
'require-(not-)feature' elements.

Bug: 168079571
Test: make && flash
Test: atest CtsContentTestCases:PermissionFeatureTest
Change-Id: Id3043530ebac6bd11805a611cebbf08b45e12f68