Target android SDK 33 (fixes #1970) (#1972)

Looks like no changes are necessary - sounds too good to be true, but I
really couldn't find (required) changes in google's docs and the build
passes.

app/build.gradle

@@ -26,8 +26,8 @@ dependencies {
 
 android {
     // Changes to these values need to be reflected in `../docker/Dockerfile`
-    compileSdkVersion 32
-    buildToolsVersion '32.0.0'
+    compileSdkVersion 33
+    buildToolsVersion '33.0.2'
     ndkVersion = "${ndkVersionShared}"
 
     buildTypes.debug.applicationIdSuffix ".debug"
@@ -36,7 +36,7 @@ android {
     defaultConfig {
         applicationId "com.nutomic.syncthingandroid"
         minSdkVersion 21
-        targetSdkVersion 32
+        targetSdkVersion 33
         versionCode 4362
         versionName "1.24.0-rc.1"
         testApplicationId 'com.nutomic.syncthingandroid.test'

docker/Dockerfile

@@ -35,7 +35,7 @@ RUN yes | $SDKMANAGER --licenses > /dev/null
 ENV NDK_VERSION 25.2.9519653
 
 # Install other android packages, including NDK
-RUN $SDKMANAGER tools platform-tools "build-tools;32.0.0" "platforms;android-32" "extras;android;m2repository" "ndk;${NDK_VERSION}"
+RUN $SDKMANAGER tools platform-tools "build-tools;33.0.2" "platforms;android-33" "extras;android;m2repository" "ndk;${NDK_VERSION}"
 
 # Accept licenses of newly installed packages
 RUN yes | $SDKMANAGER --licenses