Update to JDK 17, Gradle 7.3.3 & Android Gradle Plugin 7.1.0

Signed-off-by: psavarmattas <puranjaysavarmattas@gmail.com>

app/build.gradle

@@ -7,19 +7,19 @@ android {
     compileSdk 32
 
     defaultConfig {
-        applicationId "com.example.chatcom"
+        applicationId 'com.psmforums.chatcom'
         minSdk 21
         targetSdk 32
         versionCode 1
         versionName '0.0.1'
 
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+        signingConfig signingConfigs.debug
     }
 
     buildTypes {
-        release {
-            minifyEnabled false
-            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+        debug {
+            signingConfig signingConfigs.debug
         }
     }
     compileOptions {
@@ -29,6 +29,8 @@ android {
     kotlinOptions {
         jvmTarget = '1.8'
     }
+    buildToolsVersion '32.0.0'
+    ndkVersion '23.1.7779620'
 }
 
 dependencies {
@@ -38,7 +40,7 @@ dependencies {
     implementation 'com.google.android.material:material:1.5.0'
     implementation 'androidx.constraintlayout:constraintlayout:2.1.3'
     implementation 'androidx.legacy:legacy-support-v4:1.0.0'
-    testImplementation 'junit:junit:4.+'
+    testImplementation 'junit:junit:4.13.2'
     androidTestImplementation 'androidx.test.ext:junit:1.1.3'
     androidTestImplementation 'androidx.test.espresso:espresso-core:3.4.0'
 }