Mapbox: Add version stamp file to cached native library

Fixes #1321

play-services-maps-core-mapbox/build.gradle

@@ -20,6 +20,7 @@ apply plugin: 'kotlin-android-extensions'
 
 dependencies {
     implementation project(':play-services-api')
+    implementation project(':play-services-base-core')
     implementation("com.mapbox.mapboxsdk:mapbox-android-sdk:9.2.1") {
         exclude group: 'com.mapbox.mapboxsdk', module: 'mapbox-android-accounts'
     }

play-services-maps-core-mapbox/src/main/kotlin/org/microg/gms/maps/mapbox/utils/MultiArchLoader.kt

@@ -21,6 +21,8 @@ import android.content.Context
 import android.content.pm.ApplicationInfo
 import android.util.Log
 import com.mapbox.mapboxsdk.LibraryLoader
+import org.microg.gms.common.Constants
+import org.microg.gms.common.PackageUtils
 import java.io.*
 import java.util.zip.ZipFile
 
@@ -36,9 +38,12 @@ class MultiArchLoader(private val mapContext: Context, private val appContext: C
             if (primaryCpuAbi != null) {
                 val path = "lib/$primaryCpuAbi/lib$name.so"
                 val cacheFile = File("${appContext.cacheDir.absolutePath}/.gmscore/$path")
-                cacheFile.parentFile.mkdirs()
+                cacheFile.parentFile?.mkdirs()
+                val cacheFileStamp = File("${appContext.cacheDir.absolutePath}/.gmscore/$path.stamp")
+                val cacheVersion = kotlin.runCatching { cacheFileStamp.readText().toInt() }.getOrNull()
+                val mapVersion = PackageUtils.versionCode(mapContext, Constants.GMS_PACKAGE_NAME)
                 val apkFile = File(mapContext.packageCodePath)
-                if (!cacheFile.exists() || cacheFile.lastModified() < apkFile.lastModified()) {
+                if (!cacheFile.exists() || cacheVersion == null || cacheVersion != mapVersion) {
                     val zipFile = ZipFile(apkFile)
                     val entry = zipFile.getEntry(path)
                     if (entry != null) {
@@ -46,6 +51,7 @@ class MultiArchLoader(private val mapContext: Context, private val appContext: C
                     } else {
                         Log.d(TAG, "Can't load native library: $path does not exist in $apkFile")
                     }
+                    cacheFileStamp.writeText(mapVersion.toString())
                 }
                 Log.d(TAG, "Loading $name from ${cacheFile.getPath()}")
                 System.load(cacheFile.absolutePath)
@@ -75,4 +81,4 @@ class MultiArchLoader(private val mapContext: Context, private val appContext: C
         private val TAG = "GmsMultiArchLoader"
     }
 
-}
\ No newline at end of file
+}