canStartForegroundServiceLocked() checks both UID and binding client UID.

1. Rename the overloaded version of shouldAllowFgsStartForegroundLocked() that only checks on
one callingUid to shouldAllowFgsStartForegroundNoBindingCheckLocked().
2. Rename the overloaded version of shouldAllowFgsStartForegroundLocked() that checks on
callingUid and also the binding clients' UIDs to shouldAllowFgsStartForegroundWithBindingCheckLocked().
3. canStartForegroundServiceLocked() calls shouldAllowFgsStartForegroundNoBindingCheckLocked() to check
on current uid first, if needed, then check on binding client's UID.

Bug: 230656827
Test: atest cts/tests/app/src/android/app/cts/ActivityManagerFgsBgStartTest.java
Change-Id: I015e8e425d2834b20b70c22f0d88342f2de00567