Camera2Capturer is not supported on this device

[SebPawp]

Describe the bug SDK crashes when trying to start a video chat. Happened with 2 devices, same error.

Device 1

Android Device (please complete the following information):

• Device: CPH1613
• API Version: Android 6.0.1 (23)

Video Android SDK (please complete the following information):

• Version: 7.6.1

Additional context

java.lang.IllegalStateException: Camera2Capturer is not supported on this device
    at com.twilio.video.Preconditions.checkState(Preconditions.java:447)
    at com.twilio.video.Camera2Capturer.<init>(Camera2Capturer.java:219)
    at com.twilio.video.Camera2Capturer.<init>(Camera2Capturer.java:192)

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Device 2

Android Device (please complete the following information):

• Device: SM-T560NU
• API Version: Android 7.1.1 (25)

Video Android SDK (please complete the following information):

• Version: 7.3.0 (not sure if it happens on 7.6.1)

Additional context

java.lang.IllegalStateException: Camera2Capturer is not supported on this device
    at com.twilio.video.Preconditions.checkState(Preconditions.java:447)
    at com.twilio.video.Camera2Capturer.<init>(Camera2Capturer.java:219)
    at com.twilio.video.Camera2Capturer.<init>(Camera2Capturer.java:192)

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I see in the SDK you have :

public static boolean isSupported(@NonNull Context context) { ... }

but I don't see any mention in the docs or anything.

Do we first need to check if supported? What would be the fallback if not supported?

Thank you.