commit 842186798347248ab34dee3b71c4134aaaa78749
author Raymond <siuchow@google.com> Wed May 13 11:58:12 2015 -0700
committer Raymond <siuchow@google.com> Wed May 13 12:25:18 2015 -0700
tree b23b22cf27eedf3a7faecf3f2c7c50898f63a022
parent 5d92594c91130cc335b30e35ac110d77d7f56dd9

Hifi Ultrasound Test

move ag/675590, ag/688921 from master to mnc-dev

1. address comments in ag/658594 by unsuk@
2. override back button when in plot screen
3. tell user to press bottons one by one instead of at the same time
4. make it to play sound multiple times without quitting
5. minor UI wording change
6. bug fix about sample rate and prefix
7. better noise analysis
8. check the support ultrasound flag in the beginning
9. add speaker side test

Change-Id: I65224e4136770c9a282b6a7b0a7439fbf11d7e46