github: restructure CI test setup

Signed-off-by: Harsh Shandilya <me@msfjarvis.dev>

scripts/boot_emulator.sh

@@ -7,12 +7,13 @@ set -euxo pipefail
 
 [ -n "${ANDROID_SDK_ROOT}" ] || { echo "ANDROID_SDK_ROOT must be set to use this script"; exit 1; }
 
-"${ANDROID_SDK_ROOT}"/cmdline-tools/latest/bin/avdmanager create avd \
+echo no | "${ANDROID_SDK_ROOT}"/cmdline-tools/latest/bin/avdmanager create avd \
   --force \
   -n Pixel_XL_API_30 \
   --abi 'google_apis/x86' \
   --package 'system-images;android-30;google_apis;x86' \
   --device 'pixel_xl'
+
 "${ANDROID_SDK_ROOT}"/emulator/emulator \
   -avd Pixel_XL_API_30 \
   -no-window \

scripts/setup_environment.sh

@@ -0,0 +1,25 @@
+#!/usr/bin/env bash
+
+set -euxo pipefail
+
+CMDLINE_TOOLS_URL_MAC="https://dl.google.com/android/repository/commandlinetools-mac-6858069_latest.zip"
+CMDLINE_TOOLS_URL_LINUX="https://dl.google.com/android/repository/commandlinetools-linux-6858069_latest.zip"
+
+if [ "$(uname)" == "Linux" ]; then
+  wget "${CMDLINE_TOOLS_URL_LINUX}" -O /tmp/tools.zip -o /dev/null
+elif [ "$(uname)" == "Darwin" ]; then
+  wget "${CMDLINE_TOOLS_URL_MAC}" -O /tmp/tools.zip -o /dev/null
+else
+  echo "This script only works on Linux and Mac"
+  exit 1
+fi
+unzip -qo /tmp/tools.zip -d "${ANDROID_SDK_ROOT}/latest"
+mkdir -p "${ANDROID_SDK_ROOT}/cmdline-tools"
+mv -v "${ANDROID_SDK_ROOT}/latest/cmdline-tools" "${ANDROID_SDK_ROOT}/cmdline-tools/latest"
+
+export PATH="${ANDROID_SDK_ROOT}/cmdline-tools/latest/bin:${PATH}"
+
+sdkmanager --install 'build-tools;30.0.3' platform-tools 'platforms;android-30'
+sdkmanager --install emulator
+sdkmanager --install 'system-images;android-30;google_apis;x86'
+