Fix various linker warnings

build.gradle

@@ -30,6 +30,7 @@ buildscript {
 allprojects {
     apply plugin: 'idea'
     ext.androidBuildVersionTools = "29.0.2"
+    ext.supportLibraryVersion = "28.0.0"
 }
 
 def androidCompileSdk() { return 29 }

play-services-basement/build.gradle

@@ -60,7 +60,7 @@ android {
 }
 
 dependencies {
-    api 'com.android.support:support-v4:25.3.1'
+    api "com.android.support:support-v4:$supportLibraryVersion"
     api 'org.microg:safe-parcel:1.5.0'
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
 }

play-services-basement/src/main/java/com/google/android/gms/common/data/DataHolder.java

@@ -153,7 +153,7 @@ public class DataHolder extends AutoSafeParcelable implements Closeable {
     }
 
     @SuppressWarnings("deprecation")
-    @SuppressLint("NewApi")
+    @SuppressLint({"NewApi", "ObsoleteSdkInt"})
     static int getCursorType(Cursor cursor, int i) {
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
             return cursor.getType(i);

play-services-basement/src/main/java/com/google/android/gms/common/images/WebImage.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2013-2017 microG Project Team
+ * Copyright (C) 2013-2019 microG Project Team
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -16,6 +16,8 @@
 
 package com.google.android.gms.common.images;
 
+import java.util.Locale;
+
 import android.net.Uri;
 
 import org.microg.safeparcel.AutoSafeParcelable;
@@ -57,6 +59,6 @@ public class WebImage extends AutoSafeParcelable {
     }
 
     public String toString() {
-        return String.format("Image %dx%d %s", new Object[]{Integer.valueOf(width), Integer.valueOf(height), uri.toString()});
+        return String.format(Locale.getDefault(), "Image %dx%d %s", new Object[]{Integer.valueOf(width), Integer.valueOf(height), uri.toString()});
     }
 }