api/net/AndroidTest.xml: increase test timeout to 10 minutes

since when tested on hikey with 4.4 kernel, the total time is over 5 minutes,
like "Ran 402 tests in 314.920s" printed when run VtsKernelNetTest test.

Test: run vts-kernel -m VtsKernelNetTest with HiKey 4.4 kernel build

Merged-In: I2ab43b35ccc116a6687736bf953a76c2ef516ff4
Change-Id: I2ab43b35ccc116a6687736bf953a76c2ef516ff4
Signed-off-by: Yongqin Liu <yongqin.liu@linaro.org>
(cherry picked from commit b735141b63c442b1d68f67f21dad7c31387174ea)
diff --git a/api/net/AndroidTest.xml b/api/net/AndroidTest.xml
index 25728c8..773dd16 100644
--- a/api/net/AndroidTest.xml
+++ b/api/net/AndroidTest.xml
@@ -24,6 +24,6 @@
     <test class="com.android.tradefed.testtype.VtsMultiDeviceTest">
         <option name="test-module-name" value="VtsKernelNetTest" />
         <option name="test-case-path" value="vts/testcases/kernel/api/net/VtsKernelNetTest" />
-        <option name="test-timeout" value="5m" />
+        <option name="test-timeout" value="10m" />