Enable am profiling for apps profileable by shell

This change allows apps that are marked as profileable by shell to be
profiled with am profile.

Note that debuggable forces isProfileableByShell to true.

Fixes: 118835065
Test: atest cts/tests/framework/base/activitymanager/src/android/server/am/ActivityManagerAmProfileTests.java

Note, tested on user build

Change-Id: I174115dd9a3635ca4df3600eec994d06739d6ff8