Camera2 legacy: retry EGL config without EGL_RECORDABLE_ANDROID

Some older blobs don't support EGL_RECORDABLE_ANDROID and return no
configuration when this attribute is present. Retry eglChooseConfig
without it in this case. This fixes the flashlight for devices
affected by this and doesn't break camera-functionality.

Change-Id: Ic479231744343567233edaa1cccea7bdaafaa14f