Update CTS - TestUsbTest.testUsbSerialReadOnDeviceMatches to reduce flakiness

The following changes have been done
  - Retry lsusb command if it times out
  - Wait before capturing serial number from logcat output

Test: Flakiness test for 99 iterations
https://android-build.corp.google.com/test_investigate/?invocationId=I34500010274084666&testResultId=TR80529292097171595
Bug: 335683943
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:f67ebf9b511dc16569054dbd5f22e11fbaed6c03)
Merged-In: I74377dce9ac2093ffef658474588f5fd677256e9
Change-Id: I74377dce9ac2093ffef658474588f5fd677256e9