Merge "Increment platform-tools version to 30.0.3." am: 762b997814 am: ed286ecb7e am: 57a734c09a

Original change: https://android-review.googlesource.com/c/platform/development/+/1326085

Change-Id: I0bb06ad182f5a2fc19c0d8ef15e115f319c83aea