Upgrade Compose version to 1.6.0-alpha01

To match the platform prebuilts version.

Also upgrade compile sdk version because new library is compiled at 34.

Bug: 284913888
Test: Gradle Sync
Test: Run Gallery
Change-Id: Id633a168c4aab0c1eefa6392b25f3e143f749b5d

packages/SettingsLib/Spa/build.gradle.kts

@@ -25,13 +25,13 @@ plugins {
 }
 
 allprojects {
-    extra["jetpackComposeVersion"] = "1.4.0-beta01"
+    extra["jetpackComposeVersion"] = "1.6.0-alpha01"
 }
 
 subprojects {
     plugins.withType<AndroidBasePlugin> {
         configure<BaseExtension> {
-            compileSdkVersion(33)
+            compileSdkVersion(34)
 
             defaultConfig {
                 minSdk = 21

packages/SettingsLib/Spa/gallery/Android.bp

@@ -28,6 +28,6 @@ android_app {
         "androidx.compose.runtime_runtime",
     ],
     kotlincflags: ["-Xjvm-default=all"],
-    platform_apis: true,
+    sdk_version: "current",
     min_sdk_version: "31",
 }

packages/SettingsLib/Spa/gallery/build.gradle.kts

@@ -30,7 +30,7 @@ android {
 
     sourceSets {
         sourceSets.getByName("main") {
-            java.setSrcDirs(listOf("src"))
+            kotlin.setSrcDirs(listOf("src"))
             res.setSrcDirs(listOf("res"))
             manifest.srcFile("AndroidManifest.xml")
         }

packages/SettingsLib/Spa/spa/Android.bp

@@ -43,6 +43,7 @@ android_library {
     kotlincflags: [
         "-Xjvm-default=all",
     ],
+    sdk_version: "current",
     min_sdk_version: "31",
 }
 

packages/SettingsLib/Spa/spa/build.gradle.kts

@@ -56,7 +56,7 @@ dependencies {
     api("androidx.slice:slice-builders:1.1.0-alpha02")
     api("androidx.slice:slice-core:1.1.0-alpha02")
     api("androidx.slice:slice-view:1.1.0-alpha02")
-    api("androidx.compose.material3:material3:1.1.0-alpha06")
+    api("androidx.compose.material3:material3:1.2.0-alpha03")
     api("androidx.compose.material:material-icons-extended:$jetpackComposeVersion")
     api("androidx.compose.runtime:runtime-livedata:$jetpackComposeVersion")
     api("androidx.compose.ui:ui-tooling-preview:$jetpackComposeVersion")

packages/SettingsLib/Spa/tests/Android.bp

@@ -36,5 +36,6 @@ android_test {
         "mockito-target-minus-junit4",
     ],
     kotlincflags: ["-Xjvm-default=all"],
+    sdk_version: "current",
     min_sdk_version: "31",
 }