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: I05704447d8f0647c1181c2941a5c83c586a55ef0
Reviewed-by: Moss Heim <moss.heim@qt.io>
commit89cd0e28be3c18e10c9ed19eafc6b8194fcd0cb1
parent2934c3e2766c6a7441f10e88ed0b6050091b1484
authorAssam Boudjelthia <assam.boudjelthia@qt.io>
committerAssam Boudjelthia <assam.boudjelthia@qt.io>
commit timeSun, 16 Aug 2026 10:49:50 +0000