Glitches in audio when SRate is 11025 and SRC Best is selected

[philburk]

Android version(s): S, T
Android device(s): all?
Oboe version: 1.5+
App name used for testing: OboeTester

Short description
Track internal bug b/245513523

Steps to reproduce

1. Install Oboe Tester app (apk version: 2.3.0) on DUT
2. Open oboe tester app
3. Select Test Output from menu
4. Select SRate - 11025
5. Select SRC : Best
6. Tap on OPEN
7. Tap on START and observe

Expected behavior
Clean sine wave.

Actual behavior
Distorted sound.

[philburk]

There was a glitch that was happening when the interpolation wrapped around the coefficient table.
The coefficients at zero are not aligned with the last row. It is not a circular function.
I eliminated the glitch by adding a guard row to the coefficients table and not wrapping the indices.