Revert resize of the right notification icon

CTS tests are for some reason checking for the size of that icon and it breaks NotificationTemplateTest. Will resubmit with fixed tests.

Reverts this change from ag/17217925

Bug: 226293312
Test: atest NotificationTemplateTest
Change-Id: I82afff2cdf339e1fe68c8bc68b479dfdd0ef5ac6