floss: Guarantee the execution order of all BTIF callbacks

This applies the GATT client fix to all BTIF callbacks.

Bug: 353643607
Tag: #floss
Test: mmm packages/modules/Bluetooth
Test: manual test Sphero Mini and Sphero SPRK+
Flag: EXEMPT, Floss-only changes
Change-Id: I241d0623d47756918e6ed17190a1caa01956d351