Fix binary stripping in APKs with Qt 5.15.10

This brings APK sizes back to what they used to be, instead of the 3x-5x
bloated version binary factory produces since the 5.15.10 update.

CMakeLists.txt

@@ -20,6 +20,9 @@ set(CMAKE_CXX_EXTENSIONS OFF)
 
 set(KF_MIN_VERSION "5.102.0")
 set(QT_MIN_VERSION "5.15.2")
+if (ANDROID)
+    set(QT_MIN_VERSION 5.15.10) # due to 5.15.10 changing NDK versioning
+endif()
 
 find_package(ECM ${KF_MIN_VERSION} REQUIRED NO_MODULE)
 

android/build.gradle

@@ -48,6 +48,7 @@ android {
     compileSdkVersion androidCompileSdkVersion.toInteger()
 
     buildToolsVersion androidBuildToolsVersion
+    ndkVersion androidNdkVersion
 
     sourceSets {
         main {