Revert gradle to 8.5.2, to Kotlin 1.9

Change-Id: I60d4d00367698bf6cb7ea76537c6175f1cf15f06

jami-android/build.gradle.kts

 plugins {
-    id("com.google.devtools.ksp") version "2.0.20-1.0.25" apply false
+    id("com.google.devtools.ksp") version "1.9.23-1.0.19" apply false
 }
 
 buildscript {
@@ -9,11 +9,11 @@ buildscript {
         mavenCentral()
     }
 
-    val kotlin_version by extra { "2.0.20" }
+    val kotlin_version by extra { "1.9.23" }
     val hilt_version by extra { "2.51.1" }
 
     dependencies {
-        classpath ("com.android.tools.build:gradle:8.6.1")
+        classpath ("com.android.tools.build:gradle:8.5.2")
         classpath ("com.google.gms:google-services:4.4.2")
         classpath ("org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version")
         classpath ("com.google.dagger:hilt-android-gradle-plugin:$hilt_version")

jami-android/gradle.properties

@@ -4,6 +4,4 @@ android.useAndroidX=true
 android.enableJetifier=false
 android.nonTransitiveRClass=true
 android.nonFinalResIds=false
-org.gradle.configuration-cache=true
-ksp.useKSP2=false
 android.native.buildOutput=verbose