Build test1_com.android.tzdata and test3_com.android.tzdata with bazel.

..and allowlist //system/timezone/testing/... so that these apexes are mixed builds enabled.

Bug: 273910287
Fixes: 275351675

Test: b build //system/timezone/testing/...
Test: b build //system/timezone/testing/... --config=android
Test: m test1_com.android.tzdata test3_com.android.tzdata
Test: showcommands test1_com.android.tzdata | grep bazel-out
Test: showcommands test3_com.android.tzdata | grep bazel-out
Test: build/bazel/scripts/print_analysis_metrics.py --save-proto-output-file=out/proto-out.txt; rg enabled out/proto.txt
        $ rg enabled out/proto-out.txt
    639:    "mixed_build_enabled_modules": [ "adb_crypto_test", "adb_pairing_auth_test", "adb_pairing_connection_test", "adb_tls_connection_test", "adbd_test", "api_fingerprint", "com.android.adbd", "com.android.tzdata", "libbase", "libc++", "libcrypto", "libcutils", "test1_com.android.tzdata", "test3_com.android.tzdata", "test_com.android.adbd" ],
Change-Id: I2e74426d974d07ca39fccb5003dd4baed9763941