Update a15 manifest

  <project name="e/os/android_packages_overlays_Lineage" path="packages/overlays/Lineage" remote="e" revision="90413ac579fc4d7d2c00a6aad61d7a6d06a79c58" upstream="refs/heads/a15" dest-branch="refs/heads/a15"/>

  <project name="e/os/android_packages_services_SplitInstallService" path="packages/services/SplitInstallService" remote="e" revision="57a211a7eadf699514814ad3adf2b2927d2898c1" upstream="main" dest-branch="main"/>

  <project name="e/os/android_packages_services_Telephony" path="packages/services/Telephony" remote="e" revision="48da85993f82fd553d0a7710a35d4a7e5fb2c3ae" upstream="refs/heads/a15" dest-branch="refs/heads/a15" groups="pdk-cw-fs,pdk-fs"/>

  <project name="e/os/android_prebuilts_prebuiltapks_lfs" path="external/prebuiltapks" remote="e" revision="6ce8e00bac34b96af0738d25b570374f64f414be" upstream="main" dest-branch="main"/>

  <project name="e/os/android_prebuilts_prebuiltapks_lfs" path="external/prebuiltapks" remote="e" revision="6b9c77bef87e378919d5109d7df2fadb11dc2ed9" upstream="main" dest-branch="main"/>

  <project name="e/os/android_system_core" path="system/core" remote="e" revision="e94736277d2914498b2a8dbb9bdc26d3d00fa533" upstream="refs/heads/a15" dest-branch="refs/heads/a15" groups="pdk"/>

  <project name="e/os/android_vendor_eos" path="vendor/eos" remote="e" revision="5fab834b0ec94eb3fc8e3c73b6cc3b38ee29a442" upstream="refs/heads/a15" dest-branch="refs/heads/a15"/>

  <project name="e/os/android_vendor_lineage" path="vendor/lineage" remote="e" revision="824b4402cc8d9b3ac2322cbae44d5a0814a97665" upstream="refs/heads/a15" dest-branch="refs/heads/a15"/>