Preserve limit when resetting ParsableByteArray in OggPacket#populate
When I moved ParsableByteArray#data behind a getter I replaced some assignments with calls to reset(byte[]): https://github.com/google/ExoPlayer/commit/ce2e6e2fd625db787b1f400614adcd7458144bbd reset(byte[]) deliberately sets `limit` to `data.length`, in order to handle cases that were reassigning `data` but not updating `limit`. However OggPacket was already using `limit` to track where to write 'new' data into the array, so changing `limit` to `data.length` caused us to try and write new data beyond the end of the array. I looked at other uses of reset(byte[]) in https://github.com/google/ExoPlayer/commit/ce2e6e2fd625db787b1f400614adcd7458144bbd and condluded the only other usage in MatroskaExtractor is legit and shouldn't be updated like this (because MatroskaExtractor previously *wasn't* correctly updating/maintaining `limit`). Issue: #7992 PiperOrigin-RevId: 334601586
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