feat(mobile): native clients (#21459)

* platform clients

* uppercase http method

* fix hot reload

* custom user agent

* init before app launch

* set defaults

* move to bootstrap

* unrelated change

* disable disk cache by default

* optimized decoding

* remove incremental

* android impl

* memory optimization

* lock approach is slower on ios

* conditional cronet

* clarify parameter

* enable disk cache

* set user agent

* flutter-side decode

* optimized http

* fixed locking

* refactor

* potential race conditions

* embedded cronet

* refactor, fix capacity handling

* fast path for known content length

* ios optimizations

* re-enable cache

* formatting

* bump concurrency

* clear cache button

* fix eviction race condition

* add extra cancellation check

* tighten dispose

* better error handling

* fix disposal

---------

Co-authored-by: Alex <alex.tran1502@gmail.com>

mobile/android/app/build.gradle

@@ -31,7 +31,7 @@ if (keystorePropertiesFile.exists()) {
 
 android {
   compileSdkVersion 35
-  ndkVersion = "28.1.13356709"
+  ndkVersion = "28.2.13676358"
 
   compileOptions {
     sourceCompatibility JavaVersion.VERSION_17
@@ -48,6 +48,7 @@ android {
   }
 
   buildFeatures {
+    buildConfig true
     compose true
   }
 
@@ -105,8 +106,11 @@ dependencies {
   def serialization_version = '1.8.1'
   def compose_version = '1.1.1'
   def gson_version = '2.10.1'
+  def okhttp_version = '4.12.0'
 
   implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk8:$kotlin_version"
+  implementation "com.squareup.okhttp3:okhttp:$okhttp_version"
+  implementation 'org.chromium.net:cronet-embedded:143.7445.0'
   implementation "org.jetbrains.kotlinx:kotlinx-coroutines-android:$kotlin_coroutines_version"
   implementation "androidx.work:work-runtime-ktx:$work_version"
   implementation "androidx.concurrent:concurrent-futures:$concurrent_version"