Fix NDK path propagation

Summary:
Latest Android Gradle plugin doesn't respond to ANDROID_NDK env variable, so I propagated it explicitly and included with recommended `ndkPath` clause.

Changelog: [Internal]

allow-large-files

Reviewed By: fkgozali

Differential Revision: D29593132

fbshipit-source-id: 0785fe92385037d2d4cf290c2462b299800b6928

ReactAndroid/build.gradle

@@ -433,6 +433,9 @@ task installArchives {
 android {
     compileSdkVersion 30
     ndkVersion ANDROID_NDK_VERSION
+    if (ANDROID_NDK_PATH != null) {
+        ndkPath ANDROID_NDK_PATH
+    }
 
     defaultConfig {
         minSdkVersion(21)

build.gradle.kts

@@ -39,5 +39,6 @@ allprojects {
     // used to override ndk path on CI
     if (System.getenv("LOCAL_ANDROID_NDK_VERSION") != null) {
         setProperty("ANDROID_NDK_VERSION", System.getenv("LOCAL_ANDROID_NDK_VERSION"))
+        ext["ANDROID_NDK_PATH"] =  System.getenv("ANDROID_NDK")
     }
 }

packages/rn-tester/android/app/build.gradle

@@ -131,6 +131,9 @@ def useIntlJsc = false
 android {
     compileSdkVersion 29
     ndkVersion ANDROID_NDK_VERSION
+    if (ANDROID_NDK_PATH != null) {
+        ndkPath ANDROID_NDK_PATH
+    }
 
     dexOptions {
         javaMaxHeapSize "4g"