Refactors androidx.compose.foundation:foundation to the androidx.compose.foundation package name

Bug: b/160233169
Test: ./gradlew checkApi
Relnote: N/A
Change-Id: Id234691730b9ba444ee2ef41423a17fe7dd2845d

diff --git a/ui/ui-test/src/androidTest/java/androidx/ui/test/PrintToStringTest.kt b/ui/ui-test/src/androidTest/java/androidx/ui/test/PrintToStringTest.kt
index 6da687b..459469f 100644
--- a/ui/ui-test/src/androidTest/java/androidx/ui/test/PrintToStringTest.kt
+++ b/ui/ui-test/src/androidTest/java/androidx/ui/test/PrintToStringTest.kt

@@ -20,8 +20,8 @@
 import androidx.test.filters.MediumTest
 import androidx.ui.core.Modifier
 import androidx.ui.core.semantics.semantics
-import androidx.ui.foundation.Box
-import androidx.ui.foundation.Text
+import androidx.compose.foundation.Box
+import androidx.compose.foundation.Text
 import androidx.ui.layout.Column
 import androidx.ui.material.Button
 import androidx.ui.material.MaterialTheme