Pass down the aria-label for leading and trailing glyphs in material-input. It was not being properly bound previously.

PiperOrigin-RevId: 242754251

Author: tijoforyou

angular_components/lib/material_input/material_input.html

@@ -11,7 +11,7 @@
           [class.floated-label]="floatingLabel">
       <material-icon class="glyph leading"
                      icon="{{leadingGlyph}}"
-                     [ariaLabel]="leadingGlyphAriaLabel"
+                     [attr.aria-label]="leadingGlyphAriaLabel"
                      [attr.disabled]="disabled">
       </material-icon>
     </span>
@@ -75,7 +75,7 @@
           [class.floated-label]="floatingLabel">
       <material-icon class="glyph trailing"
                      icon="{{trailingGlyph}}"
-                     [ariaLabel]="trailingGlyphAriaLabel"
+                     [attr.aria-label]="trailingGlyphAriaLabel"
                      [attr.disabled]="disabled">
       </material-icon>
     </span>