Initial commit: Pezkuwi Wallet Android

Security hardened release:
- Code obfuscation enabled (minifyEnabled=true, shrinkResources=true)
- Sensitive files excluded (google-services.json, keystores)
- Branch.io key moved to BuildConfig placeholder
- Updated dependencies: OkHttp 4.12.0, Gson 2.10.1, BouncyCastle 1.77
- Comprehensive ProGuard rules for crypto wallet
- Navigation 2.7.7, Lifecycle 2.7.0, ConstraintLayout 2.1.4

.github/scripts/run_balances_test.sh

@@ -0,0 +1,52 @@
+#!/usr/bin/env bash
+adb devices
+
+# Install debug app
+adb -s emulator-5554 install app/debug/app-debug.apk
+
+# Install instrumental tests
+adb -s emulator-5554 install app/androidTest/debug/app-debug-androidTest.apk
+
+# Run tests
+adb logcat -c &&
+python - <<END
+import os
+import re
+import subprocess as sp
+import sys
+import threading
+import time
+
+done = False
+def update():
+  # prevent CI from killing the process for inactivity
+  while not done:
+    time.sleep(5)
+    print ("Running...")
+t = threading.Thread(target=update)
+t.dameon = True
+t.start()
+def run():
+  os.system('adb wait-for-device')
+  p = sp.Popen('adb shell am instrument -w -m -e debug false -e class "io.novafoundation.nova.balances.BalancesIntegrationTest" io.novafoundation.nova.debug.test/io.qameta.allure.android.runners.AllureAndroidJUnitRunner',
+               shell=True, stdout=sp.PIPE, stderr=sp.PIPE, stdin=sp.PIPE)
+  return p.communicate()
+success = re.compile(r'OK \(\d+ tests\)')
+stdout, stderr = run()
+stdout = stdout.decode('ISO-8859-1')
+stderr = stderr.decode('ISO-8859-1')
+done = True
+print (stderr)
+print (stdout)
+if success.search(stderr + stdout):
+  sys.exit(0)
+else:
+  sys.exit(1) # make sure we fail if the tests fail
+END
+EXIT_CODE=$?
+adb logcat -d '*:E'
+
+# Export results
+adb exec-out run-as io.novafoundation.nova.debug sh -c 'cd /data/data/io.novafoundation.nova.debug/files && tar cf - allure-results' > allure-results.tar
+
+exit $EXIT_CODE