make CtsSampleDeviceTestCases buildable

[sam-google]

diff --git a/CtsSampleDeviceTestCases/ctsDeviceTestCaseProject/build.gradle b/CtsSampleDeviceTestCases/ctsDeviceTestCaseProject/build.gradle
index d3d75a7..b63e4a5 100644
--- a/CtsSampleDeviceTestCases/ctsDeviceTestCaseProject/build.gradle
+++ b/CtsSampleDeviceTestCases/ctsDeviceTestCaseProject/build.gradle
@@ -54,7 +54,7 @@ android {
sourceSets {
main {
// This looks for the manifest source

•        manifest.srcFile srcRoot + './AndroidManifest.xml'
  

•        manifest.srcFile srcRoot + '/AndroidManifest.xml'