Merge branch 'tooltips' of https://github.com/android/snippets into tooltips

Author: jakeroseman

compose/snippets/src/main/java/com/example/compose/snippets/components/Tooltips.kt

@@ -17,7 +17,6 @@
 package com.example.compose.snippets.components
 
 import androidx.compose.foundation.layout.Arrangement
-import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.Row
 import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.foundation.layout.fillMaxWidth
@@ -41,15 +40,13 @@ import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
-import androidx.compose.runtime.rememberCoroutineScope
 import androidx.compose.runtime.setValue
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.text.style.TextAlign
 import androidx.compose.ui.tooling.preview.Preview
 import androidx.compose.ui.unit.DpSize
 import androidx.compose.ui.unit.dp
-import kotlinx.coroutines.launch
 
 @Composable
 fun TooltipExamples() {