Android: bump AGP to 8.6.0 which supports Android 15

AGP 8.5.2 still throws a warning about not being tested
with Android 15 builds, now 8.6.0 is released and doesn't
have the warning.

Amends b5d8552f2baab56457d3f39f6b2915c72447b702.

Pick-to: 6.8
Fixes: QTBUG-128648
Task-number: QTBUG-126061
Change-Id: I3d7a4c9c184e1a81f0ebb9431a6e3ca9706d19e9
Reviewed-by: Ville Voutilainen <ville.voutilainen@qt.io>

doc/global/macros.qdocconf

@@ -97,7 +97,7 @@ macro.AndroidMaxVer       = "14"
 macro.AndroidPlatformVer  = "34"
 macro.AndroidBuildToolsVer = "34.0.0"
 macro.GradleVer           = "8.10"
-macro.AGPVer              = "8.5.2"
+macro.AGPVer              = "8.6.0"
 macro.AAOSVer             = "10 to 13"
 
 macro.beginfloatleft.HTML   = "<div style=\"float: left; margin-right: 2em\">"

src/android/jar/build.gradle

@@ -7,7 +7,7 @@ buildscript {
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:8.5.2'
+        classpath 'com.android.tools.build:gradle:8.6.0'
     }
 }
 

src/android/templates/build.gradle

@@ -5,7 +5,7 @@ buildscript {
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:8.5.2'
+        classpath 'com.android.tools.build:gradle:8.6.0'
     }
 }
 

src/network/android/jar/build.gradle

@@ -7,7 +7,7 @@ buildscript {
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:8.5.2'
+        classpath 'com.android.tools.build:gradle:8.6.0'
     }
 }
 

src/plugins/networkinformation/android/jar/build.gradle

@@ -7,7 +7,7 @@ buildscript {
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:8.5.2'
+        classpath 'com.android.tools.build:gradle:8.6.0'
     }
 }