Revert "bump buildToolsVersion to 30.0.2 (#31627)"

This reverts commit 37e9f1d.

Author: kelset

.circleci/config.yml

@@ -618,7 +618,7 @@ jobs:
       - ANDROID_HOME: "C:\\Android\\android-sdk"
       - ANDROID_NDK: "C:\\Android\\android-sdk\\ndk\\20.1.5948944"
       - ANDROID_BUILD_VERSION: 30
-      - ANDROID_TOOLS_VERSION: 30.0.2
+      - ANDROID_TOOLS_VERSION: 29.0.3
       - GRADLE_OPTS: -Dorg.gradle.daemon=false
       - NDK_VERSION: 20.1.5948944
     steps:

scripts/.tests.env

@@ -4,7 +4,7 @@
 
 ## ANDROID ##
 # Android SDK Build Tools revision
-export ANDROID_SDK_BUILD_TOOLS_REVISION=30.0.2
+export ANDROID_SDK_BUILD_TOOLS_REVISION=29.0.3
 # Android API Level we build with
 export ANDROID_SDK_BUILD_API_LEVEL="28"
 # Google APIs for Android level

template/android/build.gradle

@@ -2,7 +2,7 @@
 
 buildscript {
     ext {
-        buildToolsVersion = "30.0.2"
+        buildToolsVersion = "29.0.3"
         minSdkVersion = 21
         compileSdkVersion = 30
         targetSdkVersion = 30