Update angularmaterial monorepo to v7.3.7 (patch)

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change	References
@​angular/cdk	dependencies	patch	7.3.6 -> 7.3.7	source
@​angular/material	dependencies	patch	7.3.6 -> 7.3.7	source

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Release Notes

angular/material2

### [`v7.3.7`](https://togithub.com/angular/material2/blob/master/CHANGELOG.md#​737-herringbone-harpsichord-2019-04-04) [Compare Source](https://togithub.com/angular/material2/compare/7.3.6...7.3.7) ##### Bug Fixes - **bottom-sheet:** unable to reopen same bottom sheet after closing via back button ([#​15520](https://togithub.com/angular/material2/issues/15520)) ([aae6972](https://togithub.com/angular/material2/commit/aae6972)), closes [#​15510](https://togithub.com/angular/material2/issues/15510) - **chips:** remove aria-selected from deselected chip in single selection mode ([#​15634](https://togithub.com/angular/material2/issues/15634)) ([ebbf97e](https://togithub.com/angular/material2/commit/ebbf97e)), closes [#​15617](https://togithub.com/angular/material2/issues/15617) - error when attempting to access Intl API on some versions of Windows ([#​15693](https://togithub.com/angular/material2/issues/15693)) ([c02b09c](https://togithub.com/angular/material2/commit/c02b09c)), closes [#​15687](https://togithub.com/angular/material2/issues/15687) - **dialog:** remove default aria-label from mat-dialog-close ([#​15654](https://togithub.com/angular/material2/issues/15654)) ([307889e](https://togithub.com/angular/material2/commit/307889e)), closes [#​15542](https://togithub.com/angular/material2/issues/15542) - **form-field:** remove nonbreaking space before \* for required fields ([#​15490](https://togithub.com/angular/material2/issues/15490)) ([5e7cf22](https://togithub.com/angular/material2/commit/5e7cf22)) - **option:** Remove aria-selected='false' in single-selection mode ([#​15617](https://togithub.com/angular/material2/issues/15617)) ([61a608b](https://togithub.com/angular/material2/commit/61a608b)) - **schematics:** use ngAfterViewInit instead of ngOnInit in table ([#​15446](https://togithub.com/angular/material2/issues/15446)) ([9c34b97](https://togithub.com/angular/material2/commit/9c34b97)) - **sidenav:** some internal subjects not being completed ([#​15567](https://togithub.com/angular/material2/issues/15567)) ([073e542](https://togithub.com/angular/material2/commit/073e542))

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