Revert "Revert "Upgrade to android13-5.15 kernel""

This reverts commit dcea34ba827f64230bac747187380927c3ab4540.

Bug: 233317671
Test: Watch TH
Change-Id: If6d09975b0285d8e724e205c652004fbb11e58ff
diff --git a/tests/Android.bp b/tests/Android.bp
index 2c36a62..a06a33a 100644
--- a/tests/Android.bp
+++ b/tests/Android.bp
@@ -16,7 +16,7 @@
     default_applicable_licenses: ["Android-Apache-2.0"],
 }
 
-kernel_version = "5.10"
+kernel_version = "5.15"
 
 kernel_stem = "kernel_prebuilts-" + kernel_version