Automatic merge from submit-queue (batch tested with PRs 49538, 49708, 47665, 49750, 49528)

Add ext4 and xfs tests to GCE PD basic mount tests

**What this PR does / why we need it**:
Add ext4 and xfs to basic GCE PD mount tests.

**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #49511

**Special notes for your reviewer**:

**Release note**:
/release-note-none

/sig storage