Add strict_mode: false

As strict mode is in place, the default strict_mode is now set to true. We are encourage teams to write tests in strict_mode to make tests Bivalent (able to run on device and devicelessly)
For more info on strict mode: go/roboStrictMode

Test: atest ServiceBluetoothRoboTests
Bug: 334089788
Change-Id: I4084b5275e35e84d9601edb6470fb4ea9e5472d0
Merged-In: I921c7061b900c9197c7003ac22c2a6bc12e17d27