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

Flag: NONE
Test: atest SystemUiRoboTests, SpaRoboRNGTests, SettingsLibRoboTests, FrameworksServicesRoboTests, BackupFrameworksServicesRoboTests, InputRoboRNGTests
Bug: 334089788
Change-Id: I9827910496af67eab33efddb7c32d8e40b497c13
Merged-In: I9827910496af67eab33efddb7c32d8e40b497c13