Fix the potential BufferUnderflowException when parsing ByteBuffer.

Miss catching BufferUnderflowException when converting ByteBuffer to
bytes array for InformationElement member of ScanResultInfo, it might
throw BufferUnderflowException when calling ByteBuffer.get() method.
Reset the position of copied ByteBuffer before calling get() method
should prevent BufferUnderflowException to be thrown.

Bug: 137835398
Test: atest NetworkStackIntegrationTests FrameworksNetTests
Change-Id: I96c548ff9df4989769127d11abd9ed1a79631e05