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/FirstDrawTest.kt b/ui/ui-test/src/androidTest/java/androidx/ui/test/FirstDrawTest.kt
index 034fe4b..de98b5e 100644
--- a/ui/ui-test/src/androidTest/java/androidx/ui/test/FirstDrawTest.kt
+++ b/ui/ui-test/src/androidTest/java/androidx/ui/test/FirstDrawTest.kt

@@ -24,8 +24,8 @@
 import androidx.test.filters.MediumTest
 import androidx.ui.core.Modifier
 import androidx.ui.core.setContent
-import androidx.ui.foundation.Box
-import androidx.ui.foundation.Canvas
+import androidx.compose.foundation.Box
+import androidx.compose.foundation.Canvas
 import androidx.ui.graphics.Color
 import androidx.ui.layout.fillMaxSize
 import androidx.ui.test.android.AndroidComposeTestRule