Pass ms to spoon runner

Also uses -1 as a default timeout value.

src/main/groovy/com/stanfy/spoon/gradle/SpoonExtension.groovy

@@ -23,13 +23,14 @@ class SpoonExtension {
   /** Devices to run the tests on (specified with serial numbers). */
   Set<String> devices
 
-  /** Whether or not animations are enabled, useful for slow machines or projects with many screenshots */
+  /** Whether or not animations are enabled, useful for slow machines or projects with many screenshots. */
   boolean noAnimations
 
-  /** Output directory for the spoon report files. If empty, the default dir will be used */
+  /** Output directory for the spoon report files. If empty, the default dir will be used. */
   File baseOutputDir
 
-  /** adbTimeout (in second) */
-  int adbTimeout
+  /** ADB timeout (in seconds). */
+  // Since negative timeouts do not make sense, -1 seems to be a good value to indicate timeout is not set.
+  int adbTimeout = -1
 
 }

src/main/groovy/com/stanfy/spoon/gradle/SpoonPlugin.groovy

@@ -121,7 +121,10 @@ class SpoonPlugin implements Plugin<Project> {
         allDevices = !config.devices
         noAnimations = config.noAnimations
         failIfNoDeviceConnected = config.failIfNoDeviceConnected
-        adbTimeout = config.adbTimeout
+        if (config.adbTimeout != -1) {
+          // Timeout is defined in seconds in the config.
+          adbTimeout = config.adbTimeout * 1000
+        }
 
         testSize = SpoonRunTask.TEST_SIZE_ALL
 

src/main/groovy/com/stanfy/spoon/gradle/SpoonRunTask.groovy

@@ -1,6 +1,5 @@
 package com.stanfy.spoon.gradle
 
-import com.android.build.gradle.AppPlugin
 import com.android.ddmlib.testrunner.IRemoteAndroidTestRunner
 import com.squareup.spoon.SpoonRunner
 import groovy.transform.PackageScope
@@ -42,8 +41,8 @@ class SpoonRunTask extends DefaultTask implements VerificationTask {
   /** Debug logging switcher. */
   boolean debug
 
-  /** adbTimeout */
-  int adbTimeout
+  /** ADB timeout in ms. */
+  int adbTimeout = -1
 
   /** Name of the one test to run. */
   String className
@@ -119,7 +118,8 @@ class SpoonRunTask extends DefaultTask implements VerificationTask {
       runBuilder.setTestSize(IRemoteAndroidTestRunner.TestSize.getTestSize(testSize))
     }  
 
-    if (adbTimeout.toString().isInteger()) {
+    if (adbTimeout != -1) {
+      LOG.info("ADB timeout $adbTimeout")
       runBuilder.setAdbTimeout(adbTimeout)
     }