Android: bump to Gradle 9.5.1 and AGP 9.2.1


Following Qt 6.12 release 3rd party components update.

Pick-to: 6.12
Task-number: QTBUG-146315
Change-Id: Iafce45220cf1438013fce523184e7782e173bbe5
Reviewed-by: Ivan Solovev <ivan.solovev@qt.io>
commit28d75853ad10cdf3235486de629c90a090dddd6b
parent69d1ae1b7e8d2d9df109d42f5e2537f4c226712e
authorAssam Boudjelthia <assam.boudjelthia@qt.io>
committerAssam Boudjelthia <assam.boudjelthia@qt.io>
commit timeSun, 16 Aug 2026 10:50:07 +0000