Rename featureId -> attributionTag

In the core functionality this changes everything including aidl's and
field names:
- Context
- ContentProvider
- AppOps*
- Package parsing

For the rest, this is a shallow change to only change to the changed
APIs. This keeps the change small-ish

Exempt-From-Owner-Approval: Rename
Fixes: 148792795
Test: TH
Change-Id: I2a2245fe76e09e62cb13d5785d2efb4a304ba54a

tests/MemoryUsage/src/com/android/tests/memoryusage/MemoryUsageTest.java

@@ -322,7 +322,7 @@ public class MemoryUsageTest extends InstrumentationTestCase {
 
                 mAtm.startActivityAndWait(null,
                         getInstrumentation().getContext().getBasePackageName(),
-                        getInstrumentation().getContext().getFeatureId(), mLaunchIntent,
+                        getInstrumentation().getContext().getAttributionTag(), mLaunchIntent,
                         mimeType, null, null, 0, mLaunchIntent.getFlags(), null, null,
                         UserHandle.USER_CURRENT_OR_SELF);
             } catch (RemoteException e) {