Android: Bump build tools to 29.0.3

misc/travis/android-tools-linux.sh

@@ -76,7 +76,7 @@ yes | $ANDROID_SDK_DIR/tools/bin/sdkmanager --licenses > /dev/null
 echo "Installing: Android Build and Platform Tools ..."
 yes | $ANDROID_SDK_DIR/tools/bin/sdkmanager 'tools' > /dev/null
 yes | $ANDROID_SDK_DIR/tools/bin/sdkmanager 'platform-tools' > /dev/null
-yes | $ANDROID_SDK_DIR/tools/bin/sdkmanager 'build-tools;28.0.3' > /dev/null
+yes | $ANDROID_SDK_DIR/tools/bin/sdkmanager 'build-tools;29.0.3' > /dev/null
 echo
 
 EXPORT_VAL="export ANDROID_HOME=$ANDROID_SDK_PATH"

platform/android/java/app/config.gradle

@@ -3,7 +3,7 @@ ext.versions = [
     compileSdk         : 29,
     minSdk             : 18,
     targetSdk          : 29,
-    buildTools         : '29.0.1',
+    buildTools         : '29.0.3',
     supportCoreUtils   : '28.0.0',
     kotlinVersion      : '1.3.61',
     v4Support          : '28.0.0'